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Finding the Fourth Proportional to 17,608,855.20, 26,413,282.80 and 14,417,584.80

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Solution

The fourth proportional to 17,608,855.20, 26,413,282.80 and 14,417,584.80 is: 21,626,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,608,855.20 : 26,413,282.80 = 14,417,584.80 : x
  2. Step 2: Convert to fraction form
    17,608,855.20/26,413,282.80 = 14,417,584.80/x
  3. Step 3: Cross multiply
    17,608,855.20x = 26,413,282.80 × 14,417,584.80
  4. Step 4: Simplify right side
    17,608,855.20x = 380,815,744,615,381.50
  5. Step 5: Solve for x
    x = 380,815,744,615,381.50/17,608,855.20
  6. Step 6: Final answer
    x = 21,626,377.20

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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.