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Finding the Fourth Proportional to 67,073.94, 100,613.97 and 47,440.15

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Solution

The fourth proportional to 67,073.94, 100,613.97 and 47,440.15 is: 71,162.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,073.94 : 100,613.97 = 47,440.15 : x
  2. Step 2: Convert to fraction form
    67,073.94/100,613.97 = 47,440.15/x
  3. Step 3: Cross multiply
    67,073.94x = 100,613.97 × 47,440.15
  4. Step 4: Simplify right side
    67,073.94x = 4,773,141,828.90
  5. Step 5: Solve for x
    x = 4,773,141,828.90/67,073.94
  6. Step 6: Final answer
    x = 71,162.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.