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Finding the Fourth Proportional to 38,411.70, 57,617.55 and 35,301.30

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Solution

The fourth proportional to 38,411.70, 57,617.55 and 35,301.30 is: 52,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,411.70 : 57,617.55 = 35,301.30 : x
  2. Step 2: Convert to fraction form
    38,411.70/57,617.55 = 35,301.30/x
  3. Step 3: Cross multiply
    38,411.70x = 57,617.55 × 35,301.30
  4. Step 4: Simplify right side
    38,411.70x = 2,033,974,417.82
  5. Step 5: Solve for x
    x = 2,033,974,417.82/38,411.70
  6. Step 6: Final answer
    x = 52,951.95

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Similar ratio
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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.