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Finding the Fourth Proportional to 56,650.80, 84,976.20 and 27,126.30

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Solution

The fourth proportional to 56,650.80, 84,976.20 and 27,126.30 is: 40,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,650.80 : 84,976.20 = 27,126.30 : x
  2. Step 2: Convert to fraction form
    56,650.80/84,976.20 = 27,126.30/x
  3. Step 3: Cross multiply
    56,650.80x = 84,976.20 × 27,126.30
  4. Step 4: Simplify right side
    56,650.80x = 2,305,089,894.06
  5. Step 5: Solve for x
    x = 2,305,089,894.06/56,650.80
  6. Step 6: Final answer
    x = 40,689.45

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Double scale
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Similar ratio
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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.