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Finding the Fourth Proportional to 9,361,648.80, 14,026,726.80 and 8,007,458.40

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Solution

The fourth proportional to 9,361,648.80, 14,026,726.80 and 8,007,458.40 is: 11,997,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361,648.80 : 14,026,726.80 = 8,007,458.40 : x
  2. Step 2: Convert to fraction form
    9,361,648.80/14,026,726.80 = 8,007,458.40/x
  3. Step 3: Cross multiply
    9,361,648.80x = 14,026,726.80 × 8,007,458.40
  4. Step 4: Simplify right side
    9,361,648.80x = 112,318,431,339,165.12
  5. Step 5: Solve for x
    x = 112,318,431,339,165.12/9,361,648.80
  6. Step 6: Final answer
    x = 11,997,718.96

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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.