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Finding the Fourth Proportional to 5,912,269.48, 8,868,411.78 and 1,424,545.48

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Solution

The fourth proportional to 5,912,269.48, 8,868,411.78 and 1,424,545.48 is: 2,136,820.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912,269.48 : 8,868,411.78 = 1,424,545.48 : x
  2. Step 2: Convert to fraction form
    5,912,269.48/8,868,411.78 = 1,424,545.48/x
  3. Step 3: Cross multiply
    5,912,269.48x = 8,868,411.78 × 1,424,545.48
  4. Step 4: Simplify right side
    5,912,269.48x = 12,633,455,915,977.75
  5. Step 5: Solve for x
    x = 12,633,455,915,977.75/5,912,269.48
  6. Step 6: Final answer
    x = 2,136,820.04

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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.