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Finding the Fourth Proportional to 8,917,798.32, 12,306,149.84 and 5,050,347.17

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Solution

The fourth proportional to 8,917,798.32, 12,306,149.84 and 5,050,347.17 is: 6,969,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,798.32 : 12,306,149.84 = 5,050,347.17 : x
  2. Step 2: Convert to fraction form
    8,917,798.32/12,306,149.84 = 5,050,347.17/x
  3. Step 3: Cross multiply
    8,917,798.32x = 12,306,149.84 × 5,050,347.17
  4. Step 4: Simplify right side
    8,917,798.32x = 62,150,328,931,257.48
  5. Step 5: Solve for x
    x = 62,150,328,931,257.48/8,917,798.32
  6. Step 6: Final answer
    x = 6,969,245.85

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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.