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Finding the Fourth Proportional to 8,658,545.69, 12,984,164.12 and 2,594,139.28

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Solution

The fourth proportional to 8,658,545.69, 12,984,164.12 and 2,594,139.28 is: 3,890,114.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658,545.69 : 12,984,164.12 = 2,594,139.28 : x
  2. Step 2: Convert to fraction form
    8,658,545.69/12,984,164.12 = 2,594,139.28/x
  3. Step 3: Cross multiply
    8,658,545.69x = 12,984,164.12 × 2,594,139.28
  4. Step 4: Simplify right side
    8,658,545.69x = 33,682,730,135,683.57
  5. Step 5: Solve for x
    x = 33,682,730,135,683.57/8,658,545.69
  6. Step 6: Final answer
    x = 3,890,114.04

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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.