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Finding the Fourth Proportional to 38,696.92, 58,038.90 and 17,630.44

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Solution

The fourth proportional to 38,696.92, 58,038.90 and 17,630.44 is: 26,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,696.92 : 58,038.90 = 17,630.44 : x
  2. Step 2: Convert to fraction form
    38,696.92/58,038.90 = 17,630.44/x
  3. Step 3: Cross multiply
    38,696.92x = 58,038.90 × 17,630.44
  4. Step 4: Simplify right side
    38,696.92x = 1,023,251,344.12
  5. Step 5: Solve for x
    x = 1,023,251,344.12/38,696.92
  6. Step 6: Final answer
    x = 26,442.71

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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.