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Finding the Fourth Proportional to 37,253,497.60, 55,944,009.60 and 20,247,385.60

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Solution

The fourth proportional to 37,253,497.60, 55,944,009.60 and 20,247,385.60 is: 30,405,733.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,253,497.60 : 55,944,009.60 = 20,247,385.60 : x
  2. Step 2: Convert to fraction form
    37,253,497.60/55,944,009.60 = 20,247,385.60/x
  3. Step 3: Cross multiply
    37,253,497.60x = 55,944,009.60 × 20,247,385.60
  4. Step 4: Simplify right side
    37,253,497.60x = 1,132,719,934,381,301.75
  5. Step 5: Solve for x
    x = 1,132,719,934,381,301.75/37,253,497.60
  6. Step 6: Final answer
    x = 30,405,733.89

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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.