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Finding the Fourth Proportional to 68,762.35, 94,891.92 and 38,547.66

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Solution

The fourth proportional to 68,762.35, 94,891.92 and 38,547.66 is: 53,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,762.35 : 94,891.92 = 38,547.66 : x
  2. Step 2: Convert to fraction form
    68,762.35/94,891.92 = 38,547.66/x
  3. Step 3: Cross multiply
    68,762.35x = 94,891.92 × 38,547.66
  4. Step 4: Simplify right side
    68,762.35x = 3,657,861,680.20
  5. Step 5: Solve for x
    x = 3,657,861,680.20/68,762.35
  6. Step 6: Final answer
    x = 53,195.70

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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.