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Finding the Fourth Proportional to 83,645.84, 125,484.38 and 27,502.18

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Solution

The fourth proportional to 83,645.84, 125,484.38 and 27,502.18 is: 41,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,645.84 : 125,484.38 = 27,502.18 : x
  2. Step 2: Convert to fraction form
    83,645.84/125,484.38 = 27,502.18/x
  3. Step 3: Cross multiply
    83,645.84x = 125,484.38 × 27,502.18
  4. Step 4: Simplify right side
    83,645.84x = 3,451,094,005.95
  5. Step 5: Solve for x
    x = 3,451,094,005.95/83,645.84
  6. Step 6: Final answer
    x = 41,258.41

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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.