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Finding the Fourth Proportional to 82,843.64, 124,253.04 and 26,676.32

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Solution

The fourth proportional to 82,843.64, 124,253.04 and 26,676.32 is: 40,010.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,843.64 : 124,253.04 = 26,676.32 : x
  2. Step 2: Convert to fraction form
    82,843.64/124,253.04 = 26,676.32/x
  3. Step 3: Cross multiply
    82,843.64x = 124,253.04 × 26,676.32
  4. Step 4: Simplify right side
    82,843.64x = 3,314,613,856.01
  5. Step 5: Solve for x
    x = 3,314,613,856.01/82,843.64
  6. Step 6: Final answer
    x = 40,010.48

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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.