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Finding the Fourth Proportional to 65,710.80, 98,537.40 and 26,254.80

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Solution

The fourth proportional to 65,710.80, 98,537.40 and 26,254.80 is: 39,370.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,710.80 : 98,537.40 = 26,254.80 : x
  2. Step 2: Convert to fraction form
    65,710.80/98,537.40 = 26,254.80/x
  3. Step 3: Cross multiply
    65,710.80x = 98,537.40 × 26,254.80
  4. Step 4: Simplify right side
    65,710.80x = 2,587,079,729.52
  5. Step 5: Solve for x
    x = 2,587,079,729.52/65,710.80
  6. Step 6: Final answer
    x = 39,370.69

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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.