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Finding the Fourth Proportional to 40,758.36, 61,122.62 and 14,097.62

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Solution

The fourth proportional to 40,758.36, 61,122.62 and 14,097.62 is: 21,141.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,758.36 : 61,122.62 = 14,097.62 : x
  2. Step 2: Convert to fraction form
    40,758.36/61,122.62 = 14,097.62/x
  3. Step 3: Cross multiply
    40,758.36x = 61,122.62 × 14,097.62
  4. Step 4: Simplify right side
    40,758.36x = 861,683,470.16
  5. Step 5: Solve for x
    x = 861,683,470.16/40,758.36
  6. Step 6: Final answer
    x = 21,141.27

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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.