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Finding the Fourth Proportional to 48,293.69, 72,397.85 and 18,287.09

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Solution

The fourth proportional to 48,293.69, 72,397.85 and 18,287.09 is: 27,414.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,293.69 : 72,397.85 = 18,287.09 : x
  2. Step 2: Convert to fraction form
    48,293.69/72,397.85 = 18,287.09/x
  3. Step 3: Cross multiply
    48,293.69x = 72,397.85 × 18,287.09
  4. Step 4: Simplify right side
    48,293.69x = 1,323,945,545.33
  5. Step 5: Solve for x
    x = 1,323,945,545.33/48,293.69
  6. Step 6: Final answer
    x = 27,414.46

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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.