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Finding the Fourth Proportional to 70,714.38, 97,585.11 and 52,645.89

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Solution

The fourth proportional to 70,714.38, 97,585.11 and 52,645.89 is: 72,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,714.38 : 97,585.11 = 52,645.89 : x
  2. Step 2: Convert to fraction form
    70,714.38/97,585.11 = 52,645.89/x
  3. Step 3: Cross multiply
    70,714.38x = 97,585.11 × 52,645.89
  4. Step 4: Simplify right side
    70,714.38x = 5,137,454,966.70
  5. Step 5: Solve for x
    x = 5,137,454,966.70/70,714.38
  6. Step 6: Final answer
    x = 72,650.78

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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.