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Finding the Fourth Proportional to 70,612.78, 97,508.88 and 52,676.62

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Solution

The fourth proportional to 70,612.78, 97,508.88 and 52,676.62 is: 72,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,612.78 : 97,508.88 = 52,676.62 : x
  2. Step 2: Convert to fraction form
    70,612.78/97,508.88 = 52,676.62/x
  3. Step 3: Cross multiply
    70,612.78x = 97,508.88 × 52,676.62
  4. Step 4: Simplify right side
    70,612.78x = 5,136,438,218.39
  5. Step 5: Solve for x
    x = 5,136,438,218.39/70,612.78
  6. Step 6: Final answer
    x = 72,740.91

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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.