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Finding the Fourth Proportional to 2,972.44, 4,458.04 and 1,123.52

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Solution

The fourth proportional to 2,972.44, 4,458.04 and 1,123.52 is: 1,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.44 : 4,458.04 = 1,123.52 : x
  2. Step 2: Convert to fraction form
    2,972.44/4,458.04 = 1,123.52/x
  3. Step 3: Cross multiply
    2,972.44x = 4,458.04 × 1,123.52
  4. Step 4: Simplify right side
    2,972.44x = 5,008,697.10
  5. Step 5: Solve for x
    x = 5,008,697.10/2,972.44
  6. Step 6: Final answer
    x = 1,685.05

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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.