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Finding the Fourth Proportional to 6,475,855.24, 8,936,693.54 and 3,575,251.72

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Solution

The fourth proportional to 6,475,855.24, 8,936,693.54 and 3,575,251.72 is: 4,933,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475,855.24 : 8,936,693.54 = 3,575,251.72 : x
  2. Step 2: Convert to fraction form
    6,475,855.24/8,936,693.54 = 3,575,251.72/x
  3. Step 3: Cross multiply
    6,475,855.24x = 8,936,693.54 × 3,575,251.72
  4. Step 4: Simplify right side
    6,475,855.24x = 31,950,928,949,997.89
  5. Step 5: Solve for x
    x = 31,950,928,949,997.89/6,475,855.24
  6. Step 6: Final answer
    x = 4,933,854.72

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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.