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Finding the Fourth Proportional to 48,595.87, 72,729.22 and 29,887.78

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Solution

The fourth proportional to 48,595.87, 72,729.22 and 29,887.78 is: 44,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,595.87 : 72,729.22 = 29,887.78 : x
  2. Step 2: Convert to fraction form
    48,595.87/72,729.22 = 29,887.78/x
  3. Step 3: Cross multiply
    48,595.87x = 72,729.22 × 29,887.78
  4. Step 4: Simplify right side
    48,595.87x = 2,173,714,926.93
  5. Step 5: Solve for x
    x = 2,173,714,926.93/48,595.87
  6. Step 6: Final answer
    x = 44,730.45

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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.