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Finding the Fourth Proportional to 15,602.53, 21,532.34 and 9,232.89

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Solution

The fourth proportional to 15,602.53, 21,532.34 and 9,232.89 is: 12,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.53 : 21,532.34 = 9,232.89 : x
  2. Step 2: Convert to fraction form
    15,602.53/21,532.34 = 9,232.89/x
  3. Step 3: Cross multiply
    15,602.53x = 21,532.34 × 9,232.89
  4. Step 4: Simplify right side
    15,602.53x = 198,805,726.66
  5. Step 5: Solve for x
    x = 198,805,726.66/15,602.53
  6. Step 6: Final answer
    x = 12,741.89

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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.