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Finding the Fourth Proportional to 8,899,699.76, 12,281,826.60 and 5,032,797

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Solution

The fourth proportional to 8,899,699.76, 12,281,826.60 and 5,032,797 is: 6,945,396.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899,699.76 : 12,281,826.60 = 5,032,797 : x
  2. Step 2: Convert to fraction form
    8,899,699.76/12,281,826.60 = 5,032,797/x
  3. Step 3: Cross multiply
    8,899,699.76x = 12,281,826.60 × 5,032,797
  4. Step 4: Simplify right side
    8,899,699.76x = 61,811,940,067,000.20
  5. Step 5: Solve for x
    x = 61,811,940,067,000.20/8,899,699.76
  6. Step 6: Final answer
    x = 6,945,396.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.