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Finding the Fourth Proportional to 15,598.76, 21,525.48 and 8,523.81

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Solution

The fourth proportional to 15,598.76, 21,525.48 and 8,523.81 is: 11,762.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,598.76 : 21,525.48 = 8,523.81 : x
  2. Step 2: Convert to fraction form
    15,598.76/21,525.48 = 8,523.81/x
  3. Step 3: Cross multiply
    15,598.76x = 21,525.48 × 8,523.81
  4. Step 4: Simplify right side
    15,598.76x = 183,479,101.68
  5. Step 5: Solve for x
    x = 183,479,101.68/15,598.76
  6. Step 6: Final answer
    x = 11,762.42

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Find fourth proportional to 7,799.38, 10,762.74 and 4,261.91
Half scale
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Double scale
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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.