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Finding the Fourth Proportional to 24,608,693.80, 36,913,040.70 and 13,129,568.20

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Solution

The fourth proportional to 24,608,693.80, 36,913,040.70 and 13,129,568.20 is: 19,694,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,608,693.80 : 36,913,040.70 = 13,129,568.20 : x
  2. Step 2: Convert to fraction form
    24,608,693.80/36,913,040.70 = 13,129,568.20/x
  3. Step 3: Cross multiply
    24,608,693.80x = 36,913,040.70 × 13,129,568.20
  4. Step 4: Simplify right side
    24,608,693.80x = 484,652,285,340,025.75
  5. Step 5: Solve for x
    x = 484,652,285,340,025.75/24,608,693.80
  6. Step 6: Final answer
    x = 19,694,352.30

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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.