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Finding the Fourth Proportional to 12,324,999.40, 18,445,508.70 and 12,324,999.40

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Solution

The fourth proportional to 12,324,999.40, 18,445,508.70 and 12,324,999.40 is: 18,445,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324,999.40 : 18,445,508.70 = 12,324,999.40 : x
  2. Step 2: Convert to fraction form
    12,324,999.40/18,445,508.70 = 12,324,999.40/x
  3. Step 3: Cross multiply
    12,324,999.40x = 18,445,508.70 × 12,324,999.40
  4. Step 4: Simplify right side
    12,324,999.40x = 227,340,883,660,194.78
  5. Step 5: Solve for x
    x = 227,340,883,660,194.78/12,324,999.40
  6. Step 6: Final answer
    x = 18,445,508.70

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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.