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Finding the Fourth Proportional to 57,041.49, 85,561.92 and 15,488.49

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Solution

The fourth proportional to 57,041.49, 85,561.92 and 15,488.49 is: 23,232.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,041.49 : 85,561.92 = 15,488.49 : x
  2. Step 2: Convert to fraction form
    57,041.49/85,561.92 = 15,488.49/x
  3. Step 3: Cross multiply
    57,041.49x = 85,561.92 × 15,488.49
  4. Step 4: Simplify right side
    57,041.49x = 1,325,224,942.30
  5. Step 5: Solve for x
    x = 1,325,224,942.30/57,041.49
  6. Step 6: Final answer
    x = 23,232.65

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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.