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Finding the Fourth Proportional to 9,168,563.80, 13,752,845.70 and 2,437,658.20

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Solution

The fourth proportional to 9,168,563.80, 13,752,845.70 and 2,437,658.20 is: 3,656,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168,563.80 : 13,752,845.70 = 2,437,658.20 : x
  2. Step 2: Convert to fraction form
    9,168,563.80/13,752,845.70 = 2,437,658.20/x
  3. Step 3: Cross multiply
    9,168,563.80x = 13,752,845.70 × 2,437,658.20
  4. Step 4: Simplify right side
    9,168,563.80x = 33,524,737,093,939.74
  5. Step 5: Solve for x
    x = 33,524,737,093,939.74/9,168,563.80
  6. Step 6: Final answer
    x = 3,656,487.30

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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.