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Finding the Fourth Proportional to 8,869,265.80, 13,303,898.69 and 2,137,679.80

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Solution

The fourth proportional to 8,869,265.80, 13,303,898.69 and 2,137,679.80 is: 3,206,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869,265.80 : 13,303,898.69 = 2,137,679.80 : x
  2. Step 2: Convert to fraction form
    8,869,265.80/13,303,898.69 = 2,137,679.80/x
  3. Step 3: Cross multiply
    8,869,265.80x = 13,303,898.69 × 2,137,679.80
  4. Step 4: Simplify right side
    8,869,265.80x = 28,439,475,490,859.46
  5. Step 5: Solve for x
    x = 28,439,475,490,859.46/8,869,265.80
  6. Step 6: Final answer
    x = 3,206,519.70

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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.