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Finding the Fourth Proportional to 8,203,257.10, 12,304,885.65 and 8,203,257.10

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Solution

The fourth proportional to 8,203,257.10, 12,304,885.65 and 8,203,257.10 is: 12,304,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203,257.10 : 12,304,885.65 = 8,203,257.10 : x
  2. Step 2: Convert to fraction form
    8,203,257.10/12,304,885.65 = 8,203,257.10/x
  3. Step 3: Cross multiply
    8,203,257.10x = 12,304,885.65 × 8,203,257.10
  4. Step 4: Simplify right side
    8,203,257.10x = 100,940,140,573,050.61
  5. Step 5: Solve for x
    x = 100,940,140,573,050.61/8,203,257.10
  6. Step 6: Final answer
    x = 12,304,885.65

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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.