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Finding the Fourth Proportional to 58,240.39, 87,229.32 and 40,788.13

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Solution

The fourth proportional to 58,240.39, 87,229.32 and 40,788.13 is: 61,090.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,240.39 : 87,229.32 = 40,788.13 : x
  2. Step 2: Convert to fraction form
    58,240.39/87,229.32 = 40,788.13/x
  3. Step 3: Cross multiply
    58,240.39x = 87,229.32 × 40,788.13
  4. Step 4: Simplify right side
    58,240.39x = 3,557,920,843.97
  5. Step 5: Solve for x
    x = 3,557,920,843.97/58,240.39
  6. Step 6: Final answer
    x = 61,090.26

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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.