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Finding the Fourth Proportional to 2,882.98, 4,320.72 and 2,094.98

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Solution

The fourth proportional to 2,882.98, 4,320.72 and 2,094.98 is: 3,139.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.98 : 4,320.72 = 2,094.98 : x
  2. Step 2: Convert to fraction form
    2,882.98/4,320.72 = 2,094.98/x
  3. Step 3: Cross multiply
    2,882.98x = 4,320.72 × 2,094.98
  4. Step 4: Simplify right side
    2,882.98x = 9,051,821.99
  5. Step 5: Solve for x
    x = 9,051,821.99/2,882.98
  6. Step 6: Final answer
    x = 3,139.74

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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.