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Finding the Fourth Proportional to 6,291,890.06, 9,391,901.92 and 5,399,069.18

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Solution

The fourth proportional to 6,291,890.06, 9,391,901.92 and 5,399,069.18 is: 8,059,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291,890.06 : 9,391,901.92 = 5,399,069.18 : x
  2. Step 2: Convert to fraction form
    6,291,890.06/9,391,901.92 = 5,399,069.18/x
  3. Step 3: Cross multiply
    6,291,890.06x = 9,391,901.92 × 5,399,069.18
  4. Step 4: Simplify right side
    6,291,890.06x = 50,707,528,137,397.64
  5. Step 5: Solve for x
    x = 50,707,528,137,397.64/6,291,890.06
  6. Step 6: Final answer
    x = 8,059,188.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.