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Finding the Fourth Proportional to 57,272.40, 85,806.97 and 23,919.10

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Solution

The fourth proportional to 57,272.40, 85,806.97 and 23,919.10 is: 35,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,272.40 : 85,806.97 = 23,919.10 : x
  2. Step 2: Convert to fraction form
    57,272.40/85,806.97 = 23,919.10/x
  3. Step 3: Cross multiply
    57,272.40x = 85,806.97 × 23,919.10
  4. Step 4: Simplify right side
    57,272.40x = 2,052,425,221.81
  5. Step 5: Solve for x
    x = 2,052,425,221.81/57,272.40
  6. Step 6: Final answer
    x = 35,836.20

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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.