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Finding the Fourth Proportional to 9,234,003.90, 12,948,863.10 and 9,234,003.90

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Solution

The fourth proportional to 9,234,003.90, 12,948,863.10 and 9,234,003.90 is: 12,948,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,234,003.90 : 12,948,863.10 = 9,234,003.90 : x
  2. Step 2: Convert to fraction form
    9,234,003.90/12,948,863.10 = 9,234,003.90/x
  3. Step 3: Cross multiply
    9,234,003.90x = 12,948,863.10 × 9,234,003.90
  4. Step 4: Simplify right side
    9,234,003.90x = 119,569,852,365,966.09
  5. Step 5: Solve for x
    x = 119,569,852,365,966.09/9,234,003.90
  6. Step 6: Final answer
    x = 12,948,863.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.