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Finding the Fourth Proportional to 61,976.60, 85,545.44 and 36,497.75

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Solution

The fourth proportional to 61,976.60, 85,545.44 and 36,497.75 is: 50,377.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,976.60 : 85,545.44 = 36,497.75 : x
  2. Step 2: Convert to fraction form
    61,976.60/85,545.44 = 36,497.75/x
  3. Step 3: Cross multiply
    61,976.60x = 85,545.44 × 36,497.75
  4. Step 4: Simplify right side
    61,976.60x = 3,122,215,746.28
  5. Step 5: Solve for x
    x = 3,122,215,746.28/61,976.60
  6. Step 6: Final answer
    x = 50,377.33

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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.