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Finding the Fourth Proportional to 3,574.71, 4,932.99 and 2,002.89

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Solution

The fourth proportional to 3,574.71, 4,932.99 and 2,002.89 is: 2,763.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.71 : 4,932.99 = 2,002.89 : x
  2. Step 2: Convert to fraction form
    3,574.71/4,932.99 = 2,002.89/x
  3. Step 3: Cross multiply
    3,574.71x = 4,932.99 × 2,002.89
  4. Step 4: Simplify right side
    3,574.71x = 9,880,236.34
  5. Step 5: Solve for x
    x = 9,880,236.34/3,574.71
  6. Step 6: Final answer
    x = 2,763.93

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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.