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Finding the Fourth Proportional to 48,358.85, 72,494.48 and 17,186.81

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Solution

The fourth proportional to 48,358.85, 72,494.48 and 17,186.81 is: 25,764.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,358.85 : 72,494.48 = 17,186.81 : x
  2. Step 2: Convert to fraction form
    48,358.85/72,494.48 = 17,186.81/x
  3. Step 3: Cross multiply
    48,358.85x = 72,494.48 × 17,186.81
  4. Step 4: Simplify right side
    48,358.85x = 1,245,948,405.40
  5. Step 5: Solve for x
    x = 1,245,948,405.40/48,358.85
  6. Step 6: Final answer
    x = 25,764.64

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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.