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Finding the Fourth Proportional to 65,514.80, 98,207.40 and 26,019.20

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Solution

The fourth proportional to 65,514.80, 98,207.40 and 26,019.20 is: 39,003.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,514.80 : 98,207.40 = 26,019.20 : x
  2. Step 2: Convert to fraction form
    65,514.80/98,207.40 = 26,019.20/x
  3. Step 3: Cross multiply
    65,514.80x = 98,207.40 × 26,019.20
  4. Step 4: Simplify right side
    65,514.80x = 2,555,277,982.08
  5. Step 5: Solve for x
    x = 2,555,277,982.08/65,514.80
  6. Step 6: Final answer
    x = 39,003.06

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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.