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Finding the Fourth Proportional to 67,662.40, 101,474.16 and 23,287.36

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Solution

The fourth proportional to 67,662.40, 101,474.16 and 23,287.36 is: 34,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,662.40 : 101,474.16 = 23,287.36 : x
  2. Step 2: Convert to fraction form
    67,662.40/101,474.16 = 23,287.36/x
  3. Step 3: Cross multiply
    67,662.40x = 101,474.16 × 23,287.36
  4. Step 4: Simplify right side
    67,662.40x = 2,363,065,294.62
  5. Step 5: Solve for x
    x = 2,363,065,294.62/67,662.40
  6. Step 6: Final answer
    x = 34,924.35

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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.