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Finding the Fourth Proportional to 58,126.71, 80,217.50 and 34,254.39

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Solution

The fourth proportional to 58,126.71, 80,217.50 and 34,254.39 is: 47,272.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,126.71 : 80,217.50 = 34,254.39 : x
  2. Step 2: Convert to fraction form
    58,126.71/80,217.50 = 34,254.39/x
  3. Step 3: Cross multiply
    58,126.71x = 80,217.50 × 34,254.39
  4. Step 4: Simplify right side
    58,126.71x = 2,747,801,358.55
  5. Step 5: Solve for x
    x = 2,747,801,358.55/58,126.71
  6. Step 6: Final answer
    x = 47,272.61

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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.