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Finding the Fourth Proportional to 2,982.04, 4,473.90 and 1,520.92

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Solution

The fourth proportional to 2,982.04, 4,473.90 and 1,520.92 is: 2,281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.04 : 4,473.90 = 1,520.92 : x
  2. Step 2: Convert to fraction form
    2,982.04/4,473.90 = 1,520.92/x
  3. Step 3: Cross multiply
    2,982.04x = 4,473.90 × 1,520.92
  4. Step 4: Simplify right side
    2,982.04x = 6,804,443.99
  5. Step 5: Solve for x
    x = 6,804,443.99/2,982.04
  6. Step 6: Final answer
    x = 2,281.81

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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.