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Finding the Fourth Proportional to 27,081.60, 40,622.40 and 25,113.30

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Solution

The fourth proportional to 27,081.60, 40,622.40 and 25,113.30 is: 37,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.60 : 40,622.40 = 25,113.30 : x
  2. Step 2: Convert to fraction form
    27,081.60/40,622.40 = 25,113.30/x
  3. Step 3: Cross multiply
    27,081.60x = 40,622.40 × 25,113.30
  4. Step 4: Simplify right side
    27,081.60x = 1,020,162,517.92
  5. Step 5: Solve for x
    x = 1,020,162,517.92/27,081.60
  6. Step 6: Final answer
    x = 37,669.95

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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.