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Finding the Fourth Proportional to 83,645.46, 125,460.90 and 27,484.21

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Solution

The fourth proportional to 83,645.46, 125,460.90 and 27,484.21 is: 41,223.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,645.46 : 125,460.90 = 27,484.21 : x
  2. Step 2: Convert to fraction form
    83,645.46/125,460.90 = 27,484.21/x
  3. Step 3: Cross multiply
    83,645.46x = 125,460.90 × 27,484.21
  4. Step 4: Simplify right side
    83,645.46x = 3,448,193,879.22
  5. Step 5: Solve for x
    x = 3,448,193,879.22/83,645.46
  6. Step 6: Final answer
    x = 41,223.92

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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.