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Finding the Fourth Proportional to 8,799,758.80, 13,183,891.80 and 7,445,568.40

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Solution

The fourth proportional to 8,799,758.80, 13,183,891.80 and 7,445,568.40 is: 11,155,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799,758.80 : 13,183,891.80 = 7,445,568.40 : x
  2. Step 2: Convert to fraction form
    8,799,758.80/13,183,891.80 = 7,445,568.40/x
  3. Step 3: Cross multiply
    8,799,758.80x = 13,183,891.80 × 7,445,568.40
  4. Step 4: Simplify right side
    8,799,758.80x = 98,161,568,175,099.12
  5. Step 5: Solve for x
    x = 98,161,568,175,099.12/8,799,758.80
  6. Step 6: Final answer
    x = 11,155,029.41

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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.