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Finding the Fourth Proportional to 15,597.99, 21,525.48 and 8,525.07

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Solution

The fourth proportional to 15,597.99, 21,525.48 and 8,525.07 is: 11,764.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.99 : 21,525.48 = 8,525.07 : x
  2. Step 2: Convert to fraction form
    15,597.99/21,525.48 = 8,525.07/x
  3. Step 3: Cross multiply
    15,597.99x = 21,525.48 × 8,525.07
  4. Step 4: Simplify right side
    15,597.99x = 183,506,223.78
  5. Step 5: Solve for x
    x = 183,506,223.78/15,597.99
  6. Step 6: Final answer
    x = 11,764.74

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Double scale
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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.