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Finding the Fourth Proportional to 70,613.34, 97,446.02 and 38,348.61

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Solution

The fourth proportional to 70,613.34, 97,446.02 and 38,348.61 is: 52,920.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,613.34 : 97,446.02 = 38,348.61 : x
  2. Step 2: Convert to fraction form
    70,613.34/97,446.02 = 38,348.61/x
  3. Step 3: Cross multiply
    70,613.34x = 97,446.02 × 38,348.61
  4. Step 4: Simplify right side
    70,613.34x = 3,736,919,225.29
  5. Step 5: Solve for x
    x = 3,736,919,225.29/70,613.34
  6. Step 6: Final answer
    x = 52,920.87

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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.