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Finding the Fourth Proportional to 67,124.90, 92,609.31 and 41,622.09

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Solution

The fourth proportional to 67,124.90, 92,609.31 and 41,622.09 is: 57,424.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,124.90 : 92,609.31 = 41,622.09 : x
  2. Step 2: Convert to fraction form
    67,124.90/92,609.31 = 41,622.09/x
  3. Step 3: Cross multiply
    67,124.90x = 92,609.31 × 41,622.09
  4. Step 4: Simplify right side
    67,124.90x = 3,854,592,572.61
  5. Step 5: Solve for x
    x = 3,854,592,572.61/67,124.90
  6. Step 6: Final answer
    x = 57,424.18

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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.