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Finding the Fourth Proportional to 55,691.70, 76,843.68 and 33,026.46

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Solution

The fourth proportional to 55,691.70, 76,843.68 and 33,026.46 is: 45,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,691.70 : 76,843.68 = 33,026.46 : x
  2. Step 2: Convert to fraction form
    55,691.70/76,843.68 = 33,026.46/x
  3. Step 3: Cross multiply
    55,691.70x = 76,843.68 × 33,026.46
  4. Step 4: Simplify right side
    55,691.70x = 2,537,874,723.77
  5. Step 5: Solve for x
    x = 2,537,874,723.77/55,691.70
  6. Step 6: Final answer
    x = 45,570.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.