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Finding the Fourth Proportional to 35,471.28, 53,206.92 and 12,097.92

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Solution

The fourth proportional to 35,471.28, 53,206.92 and 12,097.92 is: 18,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,471.28 : 53,206.92 = 12,097.92 : x
  2. Step 2: Convert to fraction form
    35,471.28/53,206.92 = 12,097.92/x
  3. Step 3: Cross multiply
    35,471.28x = 53,206.92 × 12,097.92
  4. Step 4: Simplify right side
    35,471.28x = 643,693,061.61
  5. Step 5: Solve for x
    x = 643,693,061.61/35,471.28
  6. Step 6: Final answer
    x = 18,146.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.