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Finding the Fourth Proportional to 1,046.46, 1,441.02 and 751.22

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Solution

The fourth proportional to 1,046.46, 1,441.02 and 751.22 is: 1,034.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.46 : 1,441.02 = 751.22 : x
  2. Step 2: Convert to fraction form
    1,046.46/1,441.02 = 751.22/x
  3. Step 3: Cross multiply
    1,046.46x = 1,441.02 × 751.22
  4. Step 4: Simplify right side
    1,046.46x = 1,082,523.04
  5. Step 5: Solve for x
    x = 1,082,523.04/1,046.46
  6. Step 6: Final answer
    x = 1,034.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.