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Finding the Fourth Proportional to 6,551,251.65, 9,826,877.48 and 6,257,318.85

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Solution

The fourth proportional to 6,551,251.65, 9,826,877.48 and 6,257,318.85 is: 9,385,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551,251.65 : 9,826,877.48 = 6,257,318.85 : x
  2. Step 2: Convert to fraction form
    6,551,251.65/9,826,877.48 = 6,257,318.85/x
  3. Step 3: Cross multiply
    6,551,251.65x = 9,826,877.48 × 6,257,318.85
  4. Step 4: Simplify right side
    6,551,251.65x = 61,489,905,660,957.90
  5. Step 5: Solve for x
    x = 61,489,905,660,957.90/6,551,251.65
  6. Step 6: Final answer
    x = 9,385,978.28

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.