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Finding the Fourth Proportional to 7,337,607.60, 11,007,966.60 and 2,219,617.20

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Solution

The fourth proportional to 7,337,607.60, 11,007,966.60 and 2,219,617.20 is: 3,329,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337,607.60 : 11,007,966.60 = 2,219,617.20 : x
  2. Step 2: Convert to fraction form
    7,337,607.60/11,007,966.60 = 2,219,617.20/x
  3. Step 3: Cross multiply
    7,337,607.60x = 11,007,966.60 × 2,219,617.20
  4. Step 4: Simplify right side
    7,337,607.60x = 24,433,472,002,385.52
  5. Step 5: Solve for x
    x = 24,433,472,002,385.52/7,337,607.60
  6. Step 6: Final answer
    x = 3,329,896.25

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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.