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Finding the Fourth Proportional to 70,264.32, 96,962.70 and 38,432.53

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Solution

The fourth proportional to 70,264.32, 96,962.70 and 38,432.53 is: 53,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,264.32 : 96,962.70 = 38,432.53 : x
  2. Step 2: Convert to fraction form
    70,264.32/96,962.70 = 38,432.53/x
  3. Step 3: Cross multiply
    70,264.32x = 96,962.70 × 38,432.53
  4. Step 4: Simplify right side
    70,264.32x = 3,726,521,876.63
  5. Step 5: Solve for x
    x = 3,726,521,876.63/70,264.32
  6. Step 6: Final answer
    x = 53,035.76

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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.