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Finding the Fourth Proportional to 40,899.03, 61,355.66 and 15,952.65

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Solution

The fourth proportional to 40,899.03, 61,355.66 and 15,952.65 is: 23,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,899.03 : 61,355.66 = 15,952.65 : x
  2. Step 2: Convert to fraction form
    40,899.03/61,355.66 = 15,952.65/x
  3. Step 3: Cross multiply
    40,899.03x = 61,355.66 × 15,952.65
  4. Step 4: Simplify right side
    40,899.03x = 978,785,289.74
  5. Step 5: Solve for x
    x = 978,785,289.74/40,899.03
  6. Step 6: Final answer
    x = 23,931.75

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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.