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Finding the Fourth Proportional to 57,902.50, 86,656.38 and 48,552.94

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Solution

The fourth proportional to 57,902.50, 86,656.38 and 48,552.94 is: 72,663.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,902.50 : 86,656.38 = 48,552.94 : x
  2. Step 2: Convert to fraction form
    57,902.50/86,656.38 = 48,552.94/x
  3. Step 3: Cross multiply
    57,902.50x = 86,656.38 × 48,552.94
  4. Step 4: Simplify right side
    57,902.50x = 4,207,422,018.76
  5. Step 5: Solve for x
    x = 4,207,422,018.76/57,902.50
  6. Step 6: Final answer
    x = 72,663.91

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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.