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Finding the Fourth Proportional to 3,650.52, 5,041.26 and 3,123.48

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Solution

The fourth proportional to 3,650.52, 5,041.26 and 3,123.48 is: 4,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.52 : 5,041.26 = 3,123.48 : x
  2. Step 2: Convert to fraction form
    3,650.52/5,041.26 = 3,123.48/x
  3. Step 3: Cross multiply
    3,650.52x = 5,041.26 × 3,123.48
  4. Step 4: Simplify right side
    3,650.52x = 15,746,274.78
  5. Step 5: Solve for x
    x = 15,746,274.78/3,650.52
  6. Step 6: Final answer
    x = 4,313.43

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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.