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Finding the Fourth Proportional to 15,596.76, 21,524.14 and 8,523.48

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Solution

The fourth proportional to 15,596.76, 21,524.14 and 8,523.48 is: 11,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,596.76 : 21,524.14 = 8,523.48 : x
  2. Step 2: Convert to fraction form
    15,596.76/21,524.14 = 8,523.48/x
  3. Step 3: Cross multiply
    15,596.76x = 21,524.14 × 8,523.48
  4. Step 4: Simplify right side
    15,596.76x = 183,460,576.81
  5. Step 5: Solve for x
    x = 183,460,576.81/15,596.76
  6. Step 6: Final answer
    x = 11,762.74

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Half scale
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Double scale
Find fourth proportional to 15,597.76, 21,525.52 and 8,524.48
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.