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Finding the Fourth Proportional to 83,079.25, 124,615.63 and 27,675.25

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Solution

The fourth proportional to 83,079.25, 124,615.63 and 27,675.25 is: 41,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,079.25 : 124,615.63 = 27,675.25 : x
  2. Step 2: Convert to fraction form
    83,079.25/124,615.63 = 27,675.25/x
  3. Step 3: Cross multiply
    83,079.25x = 124,615.63 × 27,675.25
  4. Step 4: Simplify right side
    83,079.25x = 3,448,768,714.16
  5. Step 5: Solve for x
    x = 3,448,768,714.16/83,079.25
  6. Step 6: Final answer
    x = 41,511.79

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1.5x scale

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.