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Finding the Fourth Proportional to 5,650.80, 7,799.40 and 3,527.52

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Solution

The fourth proportional to 5,650.80, 7,799.40 and 3,527.52 is: 4,868.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,650.80 : 7,799.40 = 3,527.52 : x
  2. Step 2: Convert to fraction form
    5,650.80/7,799.40 = 3,527.52/x
  3. Step 3: Cross multiply
    5,650.80x = 7,799.40 × 3,527.52
  4. Step 4: Simplify right side
    5,650.80x = 27,512,539.49
  5. Step 5: Solve for x
    x = 27,512,539.49/5,650.80
  6. Step 6: Final answer
    x = 4,868.79

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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.