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Finding the Fourth Proportional to 60,144.68, 82,996.80 and 32,920.16

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Solution

The fourth proportional to 60,144.68, 82,996.80 and 32,920.16 is: 45,428.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,144.68 : 82,996.80 = 32,920.16 : x
  2. Step 2: Convert to fraction form
    60,144.68/82,996.80 = 32,920.16/x
  3. Step 3: Cross multiply
    60,144.68x = 82,996.80 × 32,920.16
  4. Step 4: Simplify right side
    60,144.68x = 2,732,267,935.49
  5. Step 5: Solve for x
    x = 2,732,267,935.49/60,144.68
  6. Step 6: Final answer
    x = 45,428.26

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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.