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Finding the Fourth Proportional to 15,602.97, 21,527.25 and 9,230.28

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Solution

The fourth proportional to 15,602.97, 21,527.25 and 9,230.28 is: 12,734.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.97 : 21,527.25 = 9,230.28 : x
  2. Step 2: Convert to fraction form
    15,602.97/21,527.25 = 9,230.28/x
  3. Step 3: Cross multiply
    15,602.97x = 21,527.25 × 9,230.28
  4. Step 4: Simplify right side
    15,602.97x = 198,702,545.13
  5. Step 5: Solve for x
    x = 198,702,545.13/15,602.97
  6. Step 6: Final answer
    x = 12,734.92

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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.