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Finding the Fourth Proportional to 65,854.85, 98,778.81 and 18,473.23

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Solution

The fourth proportional to 65,854.85, 98,778.81 and 18,473.23 is: 27,708.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,854.85 : 98,778.81 = 18,473.23 : x
  2. Step 2: Convert to fraction form
    65,854.85/98,778.81 = 18,473.23/x
  3. Step 3: Cross multiply
    65,854.85x = 98,778.81 × 18,473.23
  4. Step 4: Simplify right side
    65,854.85x = 1,824,763,429.31
  5. Step 5: Solve for x
    x = 1,824,763,429.31/65,854.85
  6. Step 6: Final answer
    x = 27,708.87

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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.