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Finding the Fourth Proportional to 34,863.91, 48,110.22 and 18,948.25

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Solution

The fourth proportional to 34,863.91, 48,110.22 and 18,948.25 is: 26,147.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,863.91 : 48,110.22 = 18,948.25 : x
  2. Step 2: Convert to fraction form
    34,863.91/48,110.22 = 18,948.25/x
  3. Step 3: Cross multiply
    34,863.91x = 48,110.22 × 18,948.25
  4. Step 4: Simplify right side
    34,863.91x = 911,604,476.12
  5. Step 5: Solve for x
    x = 911,604,476.12/34,863.91
  6. Step 6: Final answer
    x = 26,147.51

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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.