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Finding the Fourth Proportional to 68,489.33, 94,503.24 and 38,264.99

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Solution

The fourth proportional to 68,489.33, 94,503.24 and 38,264.99 is: 52,798.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,489.33 : 94,503.24 = 38,264.99 : x
  2. Step 2: Convert to fraction form
    68,489.33/94,503.24 = 38,264.99/x
  3. Step 3: Cross multiply
    68,489.33x = 94,503.24 × 38,264.99
  4. Step 4: Simplify right side
    68,489.33x = 3,616,165,061.05
  5. Step 5: Solve for x
    x = 3,616,165,061.05/68,489.33
  6. Step 6: Final answer
    x = 52,798.96

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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.