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Finding the Fourth Proportional to 952.76, 1,314.42 and 755.48

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Solution

The fourth proportional to 952.76, 1,314.42 and 755.48 is: 1,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.76 : 1,314.42 = 755.48 : x
  2. Step 2: Convert to fraction form
    952.76/1,314.42 = 755.48/x
  3. Step 3: Cross multiply
    952.76x = 1,314.42 × 755.48
  4. Step 4: Simplify right side
    952.76x = 993,018.02
  5. Step 5: Solve for x
    x = 993,018.02/952.76
  6. Step 6: Final answer
    x = 1,042.25

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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.