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Finding the Fourth Proportional to 68,752.32, 94,873.50 and 38,532.48

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Solution

The fourth proportional to 68,752.32, 94,873.50 and 38,532.48 is: 53,172.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,752.32 : 94,873.50 = 38,532.48 : x
  2. Step 2: Convert to fraction form
    68,752.32/94,873.50 = 38,532.48/x
  3. Step 3: Cross multiply
    68,752.32x = 94,873.50 × 38,532.48
  4. Step 4: Simplify right side
    68,752.32x = 3,655,711,241.28
  5. Step 5: Solve for x
    x = 3,655,711,241.28/68,752.32
  6. Step 6: Final answer
    x = 53,172.19

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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.