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Finding the Fourth Proportional to 25,546.80, 35,276.80 and 17,187.60

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Solution

The fourth proportional to 25,546.80, 35,276.80 and 17,187.60 is: 23,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,546.80 : 35,276.80 = 17,187.60 : x
  2. Step 2: Convert to fraction form
    25,546.80/35,276.80 = 17,187.60/x
  3. Step 3: Cross multiply
    25,546.80x = 35,276.80 × 17,187.60
  4. Step 4: Simplify right side
    25,546.80x = 606,323,527.68
  5. Step 5: Solve for x
    x = 606,323,527.68/25,546.80
  6. Step 6: Final answer
    x = 23,733.83

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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.