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Finding the Fourth Proportional to 25,819.32, 35,602.19 and 17,847.71

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Solution

The fourth proportional to 25,819.32, 35,602.19 and 17,847.71 is: 24,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,819.32 : 35,602.19 = 17,847.71 : x
  2. Step 2: Convert to fraction form
    25,819.32/35,602.19 = 17,847.71/x
  3. Step 3: Cross multiply
    25,819.32x = 35,602.19 × 17,847.71
  4. Step 4: Simplify right side
    25,819.32x = 635,417,295.24
  5. Step 5: Solve for x
    x = 635,417,295.24/25,819.32
  6. Step 6: Final answer
    x = 24,610.15

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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.