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Finding the Fourth Proportional to 48,626.76, 67,104 and 27,405.60

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Solution

The fourth proportional to 48,626.76, 67,104 and 27,405.60 is: 37,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,626.76 : 67,104 = 27,405.60 : x
  2. Step 2: Convert to fraction form
    48,626.76/67,104 = 27,405.60/x
  3. Step 3: Cross multiply
    48,626.76x = 67,104 × 27,405.60
  4. Step 4: Simplify right side
    48,626.76x = 1,839,025,382.40
  5. Step 5: Solve for x
    x = 1,839,025,382.40/48,626.76
  6. Step 6: Final answer
    x = 37,819.20

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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.