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Finding the Fourth Proportional to 3,574.80, 4,933.53 and 2,002.88

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Solution

The fourth proportional to 3,574.80, 4,933.53 and 2,002.88 is: 2,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.80 : 4,933.53 = 2,002.88 : x
  2. Step 2: Convert to fraction form
    3,574.80/4,933.53 = 2,002.88/x
  3. Step 3: Cross multiply
    3,574.80x = 4,933.53 × 2,002.88
  4. Step 4: Simplify right side
    3,574.80x = 9,881,243.90
  5. Step 5: Solve for x
    x = 9,881,243.90/3,574.80
  6. Step 6: Final answer
    x = 2,764.14

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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.