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Finding the Fourth Proportional to 25,808.68, 35,629.14 and 18,260.92

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Solution

The fourth proportional to 25,808.68, 35,629.14 and 18,260.92 is: 25,209.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,808.68 : 35,629.14 = 18,260.92 : x
  2. Step 2: Convert to fraction form
    25,808.68/35,629.14 = 18,260.92/x
  3. Step 3: Cross multiply
    25,808.68x = 35,629.14 × 18,260.92
  4. Step 4: Simplify right side
    25,808.68x = 650,620,875.21
  5. Step 5: Solve for x
    x = 650,620,875.21/25,808.68
  6. Step 6: Final answer
    x = 25,209.38

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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.