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Finding the Fourth Proportional to 22,734,562.60, 34,101,843.90 and 20,980,807.30

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Solution

The fourth proportional to 22,734,562.60, 34,101,843.90 and 20,980,807.30 is: 31,471,210.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,734,562.60 : 34,101,843.90 = 20,980,807.30 : x
  2. Step 2: Convert to fraction form
    22,734,562.60/34,101,843.90 = 20,980,807.30/x
  3. Step 3: Cross multiply
    22,734,562.60x = 34,101,843.90 × 20,980,807.30
  4. Step 4: Simplify right side
    22,734,562.60x = 715,484,215,440,580.50
  5. Step 5: Solve for x
    x = 715,484,215,440,580.50/22,734,562.60
  6. Step 6: Final answer
    x = 31,471,210.95

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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.