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Finding the Fourth Proportional to 8,917,751.76, 12,306,560.41 and 4,843,370.76

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Solution

The fourth proportional to 8,917,751.76, 12,306,560.41 and 4,843,370.76 is: 6,683,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,751.76 : 12,306,560.41 = 4,843,370.76 : x
  2. Step 2: Convert to fraction form
    8,917,751.76/12,306,560.41 = 4,843,370.76/x
  3. Step 3: Cross multiply
    8,917,751.76x = 12,306,560.41 × 4,843,370.76
  4. Step 4: Simplify right side
    8,917,751.76x = 59,605,234,845,967.61
  5. Step 5: Solve for x
    x = 59,605,234,845,967.61/8,917,751.76
  6. Step 6: Final answer
    x = 6,683,885.85

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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.