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Finding the Fourth Proportional to 2,488.43, 3,733.23 and 928.44

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Solution

The fourth proportional to 2,488.43, 3,733.23 and 928.44 is: 1,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.43 : 3,733.23 = 928.44 : x
  2. Step 2: Convert to fraction form
    2,488.43/3,733.23 = 928.44/x
  3. Step 3: Cross multiply
    2,488.43x = 3,733.23 × 928.44
  4. Step 4: Simplify right side
    2,488.43x = 3,466,075.42
  5. Step 5: Solve for x
    x = 3,466,075.42/2,488.43
  6. Step 6: Final answer
    x = 1,392.88

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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.