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Finding the Fourth Proportional to 57,225.72, 85,836.72 and 17,244.92

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Solution

The fourth proportional to 57,225.72, 85,836.72 and 17,244.92 is: 25,866.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,225.72 : 85,836.72 = 17,244.92 : x
  2. Step 2: Convert to fraction form
    57,225.72/85,836.72 = 17,244.92/x
  3. Step 3: Cross multiply
    57,225.72x = 85,836.72 × 17,244.92
  4. Step 4: Simplify right side
    57,225.72x = 1,480,247,369.46
  5. Step 5: Solve for x
    x = 1,480,247,369.46/57,225.72
  6. Step 6: Final answer
    x = 25,866.82

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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.