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Finding the Fourth Proportional to 8,541,708.80, 12,840,556.80 and 6,034,726.40

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Solution

The fourth proportional to 8,541,708.80, 12,840,556.80 and 6,034,726.40 is: 9,071,867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541,708.80 : 12,840,556.80 = 6,034,726.40 : x
  2. Step 2: Convert to fraction form
    8,541,708.80/12,840,556.80 = 6,034,726.40/x
  3. Step 3: Cross multiply
    8,541,708.80x = 12,840,556.80 × 6,034,726.40
  4. Step 4: Simplify right side
    8,541,708.80x = 77,489,247,111,659.53
  5. Step 5: Solve for x
    x = 77,489,247,111,659.53/8,541,708.80
  6. Step 6: Final answer
    x = 9,071,867.11

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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.