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Finding the Fourth Proportional to 17,658,532.40, 26,504,711.40 and 9,144,978.80

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Solution

The fourth proportional to 17,658,532.40, 26,504,711.40 and 9,144,978.80 is: 13,726,226.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,658,532.40 : 26,504,711.40 = 9,144,978.80 : x
  2. Step 2: Convert to fraction form
    17,658,532.40/26,504,711.40 = 9,144,978.80/x
  3. Step 3: Cross multiply
    17,658,532.40x = 26,504,711.40 × 9,144,978.80
  4. Step 4: Simplify right side
    17,658,532.40x = 242,385,023,853,118.31
  5. Step 5: Solve for x
    x = 242,385,023,853,118.31/17,658,532.40
  6. Step 6: Final answer
    x = 13,726,226.98

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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.