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Finding the Fourth Proportional to 5,287.21, 7,932.94 and 2,001.24

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Solution

The fourth proportional to 5,287.21, 7,932.94 and 2,001.24 is: 3,002.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.21 : 7,932.94 = 2,001.24 : x
  2. Step 2: Convert to fraction form
    5,287.21/7,932.94 = 2,001.24/x
  3. Step 3: Cross multiply
    5,287.21x = 7,932.94 × 2,001.24
  4. Step 4: Simplify right side
    5,287.21x = 15,875,711.84
  5. Step 5: Solve for x
    x = 15,875,711.84/5,287.21
  6. Step 6: Final answer
    x = 3,002.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.