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Finding the Fourth Proportional to 55,545.60, 76,652.61 and 51,027

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Solution

The fourth proportional to 55,545.60, 76,652.61 and 51,027 is: 70,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,545.60 : 76,652.61 = 51,027 : x
  2. Step 2: Convert to fraction form
    55,545.60/76,652.61 = 51,027/x
  3. Step 3: Cross multiply
    55,545.60x = 76,652.61 × 51,027
  4. Step 4: Simplify right side
    55,545.60x = 3,911,352,730.47
  5. Step 5: Solve for x
    x = 3,911,352,730.47/55,545.60
  6. Step 6: Final answer
    x = 70,416.97

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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.