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Finding the Fourth Proportional to 72,395.48, 108,566.60 and 24,998.56

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Solution

The fourth proportional to 72,395.48, 108,566.60 and 24,998.56 is: 37,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,395.48 : 108,566.60 = 24,998.56 : x
  2. Step 2: Convert to fraction form
    72,395.48/108,566.60 = 24,998.56/x
  3. Step 3: Cross multiply
    72,395.48x = 108,566.60 × 24,998.56
  4. Step 4: Simplify right side
    72,395.48x = 2,714,008,664.10
  5. Step 5: Solve for x
    x = 2,714,008,664.10/72,395.48
  6. Step 6: Final answer
    x = 37,488.65

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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.