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Finding the Fourth Proportional to 9,351,999.52, 12,914,672.60 and 8,842,508.72

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Solution

The fourth proportional to 9,351,999.52, 12,914,672.60 and 8,842,508.72 is: 12,211,089.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351,999.52 : 12,914,672.60 = 8,842,508.72 : x
  2. Step 2: Convert to fraction form
    9,351,999.52/12,914,672.60 = 8,842,508.72/x
  3. Step 3: Cross multiply
    9,351,999.52x = 12,914,672.60 × 8,842,508.72
  4. Step 4: Simplify right side
    9,351,999.52x = 114,198,105,081,445.08
  5. Step 5: Solve for x
    x = 114,198,105,081,445.08/9,351,999.52
  6. Step 6: Final answer
    x = 12,211,089.71

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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.