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Finding the Fourth Proportional to 9,294,326.55, 13,941,489.83 and 7,381,138.95

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Solution

The fourth proportional to 9,294,326.55, 13,941,489.83 and 7,381,138.95 is: 11,071,708.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,294,326.55 : 13,941,489.83 = 7,381,138.95 : x
  2. Step 2: Convert to fraction form
    9,294,326.55/13,941,489.83 = 7,381,138.95/x
  3. Step 3: Cross multiply
    9,294,326.55x = 13,941,489.83 × 7,381,138.95
  4. Step 4: Simplify right side
    9,294,326.55x = 102,904,073,568,336.19
  5. Step 5: Solve for x
    x = 102,904,073,568,336.19/9,294,326.55
  6. Step 6: Final answer
    x = 11,071,708.43

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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.