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Finding the Fourth Proportional to 58,390.29, 80,578.85 and 32,896.97

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Solution

The fourth proportional to 58,390.29, 80,578.85 and 32,896.97 is: 45,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,390.29 : 80,578.85 = 32,896.97 : x
  2. Step 2: Convert to fraction form
    58,390.29/80,578.85 = 32,896.97/x
  3. Step 3: Cross multiply
    58,390.29x = 80,578.85 × 32,896.97
  4. Step 4: Simplify right side
    58,390.29x = 2,650,799,443.71
  5. Step 5: Solve for x
    x = 2,650,799,443.71/58,390.29
  6. Step 6: Final answer
    x = 45,397.95

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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.