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Finding the Fourth Proportional to 3,573.96, 4,932.36 and 2,002.20

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Solution

The fourth proportional to 3,573.96, 4,932.36 and 2,002.20 is: 2,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.96 : 4,932.36 = 2,002.20 : x
  2. Step 2: Convert to fraction form
    3,573.96/4,932.36 = 2,002.20/x
  3. Step 3: Cross multiply
    3,573.96x = 4,932.36 × 2,002.20
  4. Step 4: Simplify right side
    3,573.96x = 9,875,571.19
  5. Step 5: Solve for x
    x = 9,875,571.19/3,573.96
  6. Step 6: Final answer
    x = 2,763.20

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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.