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Finding the Fourth Proportional to 8,962,882.56, 12,368,770.56 and 4,888,488.96

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Solution

The fourth proportional to 8,962,882.56, 12,368,770.56 and 4,888,488.96 is: 6,746,110.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962,882.56 : 12,368,770.56 = 4,888,488.96 : x
  2. Step 2: Convert to fraction form
    8,962,882.56/12,368,770.56 = 4,888,488.96/x
  3. Step 3: Cross multiply
    8,962,882.56x = 12,368,770.56 × 4,888,488.96
  4. Step 4: Simplify right side
    8,962,882.56x = 60,464,598,331,333.02
  5. Step 5: Solve for x
    x = 60,464,598,331,333.02/8,962,882.56
  6. Step 6: Final answer
    x = 6,746,110.74

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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.