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Finding the Fourth Proportional to 57,273.76, 85,912.80 and 17,834.32

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Solution

The fourth proportional to 57,273.76, 85,912.80 and 17,834.32 is: 26,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,273.76 : 85,912.80 = 17,834.32 : x
  2. Step 2: Convert to fraction form
    57,273.76/85,912.80 = 17,834.32/x
  3. Step 3: Cross multiply
    57,273.76x = 85,912.80 × 17,834.32
  4. Step 4: Simplify right side
    57,273.76x = 1,532,196,367.30
  5. Step 5: Solve for x
    x = 1,532,196,367.30/57,273.76
  6. Step 6: Final answer
    x = 26,752.15

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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.