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Finding the Fourth Proportional to 69,892.84, 96,453.65 and 38,061.74

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Solution

The fourth proportional to 69,892.84, 96,453.65 and 38,061.74 is: 52,526.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,892.84 : 96,453.65 = 38,061.74 : x
  2. Step 2: Convert to fraction form
    69,892.84/96,453.65 = 38,061.74/x
  3. Step 3: Cross multiply
    69,892.84x = 96,453.65 × 38,061.74
  4. Step 4: Simplify right side
    69,892.84x = 3,671,194,084.64
  5. Step 5: Solve for x
    x = 3,671,194,084.64/69,892.84
  6. Step 6: Final answer
    x = 52,526.04

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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.