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Finding the Fourth Proportional to 70,553.14, 97,364.52 and 38,725

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Solution

The fourth proportional to 70,553.14, 97,364.52 and 38,725 is: 53,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,553.14 : 97,364.52 = 38,725 : x
  2. Step 2: Convert to fraction form
    70,553.14/97,364.52 = 38,725/x
  3. Step 3: Cross multiply
    70,553.14x = 97,364.52 × 38,725
  4. Step 4: Simplify right side
    70,553.14x = 3,770,441,037
  5. Step 5: Solve for x
    x = 3,770,441,037/70,553.14
  6. Step 6: Final answer
    x = 53,441.15

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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.