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Finding the Fourth Proportional to 37,357,630.80, 56,046,943.80 and 18,189,013.20

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Solution

The fourth proportional to 37,357,630.80, 56,046,943.80 and 18,189,013.20 is: 27,288,630.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,357,630.80 : 56,046,943.80 = 18,189,013.20 : x
  2. Step 2: Convert to fraction form
    37,357,630.80/56,046,943.80 = 18,189,013.20/x
  3. Step 3: Cross multiply
    37,357,630.80x = 56,046,943.80 × 18,189,013.20
  4. Step 4: Simplify right side
    37,357,630.80x = 1,019,438,600,597,858.12
  5. Step 5: Solve for x
    x = 1,019,438,600,597,858.12/37,357,630.80
  6. Step 6: Final answer
    x = 27,288,630.96

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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.