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Finding the Fourth Proportional to 8,998,398.96, 13,500,747.72 and 2,609,034.72

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Solution

The fourth proportional to 8,998,398.96, 13,500,747.72 and 2,609,034.72 is: 3,914,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998,398.96 : 13,500,747.72 = 2,609,034.72 : x
  2. Step 2: Convert to fraction form
    8,998,398.96/13,500,747.72 = 2,609,034.72/x
  3. Step 3: Cross multiply
    8,998,398.96x = 13,500,747.72 × 2,609,034.72
  4. Step 4: Simplify right side
    8,998,398.96x = 35,223,919,547,440.84
  5. Step 5: Solve for x
    x = 35,223,919,547,440.84/8,998,398.96
  6. Step 6: Final answer
    x = 3,914,465.20

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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.