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Finding the Fourth Proportional to 58,585.41, 80,855.91 and 35,920.39

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Solution

The fourth proportional to 58,585.41, 80,855.91 and 35,920.39 is: 49,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,585.41 : 80,855.91 = 35,920.39 : x
  2. Step 2: Convert to fraction form
    58,585.41/80,855.91 = 35,920.39/x
  3. Step 3: Cross multiply
    58,585.41x = 80,855.91 × 35,920.39
  4. Step 4: Simplify right side
    58,585.41x = 2,904,375,641.40
  5. Step 5: Solve for x
    x = 2,904,375,641.40/58,585.41
  6. Step 6: Final answer
    x = 49,575.07

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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.