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Finding the Fourth Proportional to 70,253.52, 96,951.90 and 38,424.57

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Solution

The fourth proportional to 70,253.52, 96,951.90 and 38,424.57 is: 53,027.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,253.52 : 96,951.90 = 38,424.57 : x
  2. Step 2: Convert to fraction form
    70,253.52/96,951.90 = 38,424.57/x
  3. Step 3: Cross multiply
    70,253.52x = 96,951.90 × 38,424.57
  4. Step 4: Simplify right side
    70,253.52x = 3,725,335,068.18
  5. Step 5: Solve for x
    x = 3,725,335,068.18/70,253.52
  6. Step 6: Final answer
    x = 53,027.02

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1.5x scale

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.