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Finding the Fourth Proportional to 8,258,016.78, 12,387,025.17 and 8,258,016.78

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Solution

The fourth proportional to 8,258,016.78, 12,387,025.17 and 8,258,016.78 is: 12,387,025.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258,016.78 : 12,387,025.17 = 8,258,016.78 : x
  2. Step 2: Convert to fraction form
    8,258,016.78/12,387,025.17 = 8,258,016.78/x
  3. Step 3: Cross multiply
    8,258,016.78x = 12,387,025.17 × 8,258,016.78
  4. Step 4: Simplify right side
    8,258,016.78x = 102,292,261,708,142.36
  5. Step 5: Solve for x
    x = 102,292,261,708,142.36/8,258,016.78
  6. Step 6: Final answer
    x = 12,387,025.17

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Similar ratio
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1.5x scale

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.