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Finding the Fourth Proportional to 35,652.80, 49,206.02 and 20,542.57

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Solution

The fourth proportional to 35,652.80, 49,206.02 and 20,542.57 is: 28,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,652.80 : 49,206.02 = 20,542.57 : x
  2. Step 2: Convert to fraction form
    35,652.80/49,206.02 = 20,542.57/x
  3. Step 3: Cross multiply
    35,652.80x = 49,206.02 × 20,542.57
  4. Step 4: Simplify right side
    35,652.80x = 1,010,817,884.54
  5. Step 5: Solve for x
    x = 1,010,817,884.54/35,652.80
  6. Step 6: Final answer
    x = 28,351.71

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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.