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Finding the Fourth Proportional to 2,488.01, 3,731.58 and 756.23

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Solution

The fourth proportional to 2,488.01, 3,731.58 and 756.23 is: 1,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.01 : 3,731.58 = 756.23 : x
  2. Step 2: Convert to fraction form
    2,488.01/3,731.58 = 756.23/x
  3. Step 3: Cross multiply
    2,488.01x = 3,731.58 × 756.23
  4. Step 4: Simplify right side
    2,488.01x = 2,821,932.74
  5. Step 5: Solve for x
    x = 2,821,932.74/2,488.01
  6. Step 6: Final answer
    x = 1,134.21

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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.