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Finding the Fourth Proportional to 82,992.60, 124,472.70 and 27,588.60

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Solution

The fourth proportional to 82,992.60, 124,472.70 and 27,588.60 is: 41,377.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,992.60 : 124,472.70 = 27,588.60 : x
  2. Step 2: Convert to fraction form
    82,992.60/124,472.70 = 27,588.60/x
  3. Step 3: Cross multiply
    82,992.60x = 124,472.70 × 27,588.60
  4. Step 4: Simplify right side
    82,992.60x = 3,434,027,531.22
  5. Step 5: Solve for x
    x = 3,434,027,531.22/82,992.60
  6. Step 6: Final answer
    x = 41,377.51

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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.