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Finding the Fourth Proportional to 8,167,776.60, 12,251,664.90 and 8,041,805.40

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Solution

The fourth proportional to 8,167,776.60, 12,251,664.90 and 8,041,805.40 is: 12,062,708.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167,776.60 : 12,251,664.90 = 8,041,805.40 : x
  2. Step 2: Convert to fraction form
    8,167,776.60/12,251,664.90 = 8,041,805.40/x
  3. Step 3: Cross multiply
    8,167,776.60x = 12,251,664.90 × 8,041,805.40
  4. Step 4: Simplify right side
    8,167,776.60x = 98,525,504,951,810.47
  5. Step 5: Solve for x
    x = 98,525,504,951,810.47/8,167,776.60
  6. Step 6: Final answer
    x = 12,062,708.10

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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.