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Finding the Fourth Proportional to 941.38, 1,296.48 and 758.32

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Solution

The fourth proportional to 941.38, 1,296.48 and 758.32 is: 1,044.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.38 : 1,296.48 = 758.32 : x
  2. Step 2: Convert to fraction form
    941.38/1,296.48 = 758.32/x
  3. Step 3: Cross multiply
    941.38x = 1,296.48 × 758.32
  4. Step 4: Simplify right side
    941.38x = 983,146.71
  5. Step 5: Solve for x
    x = 983,146.71/941.38
  6. Step 6: Final answer
    x = 1,044.37

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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.