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Finding the Fourth Proportional to 84,055.76, 126,098.63 and 27,899.27

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Solution

The fourth proportional to 84,055.76, 126,098.63 and 27,899.27 is: 41,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,055.76 : 126,098.63 = 27,899.27 : x
  2. Step 2: Convert to fraction form
    84,055.76/126,098.63 = 27,899.27/x
  3. Step 3: Cross multiply
    84,055.76x = 126,098.63 × 27,899.27
  4. Step 4: Simplify right side
    84,055.76x = 3,518,059,585.50
  5. Step 5: Solve for x
    x = 3,518,059,585.50/84,055.76
  6. Step 6: Final answer
    x = 41,853.88

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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.