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Finding the Fourth Proportional to 2,755.13, 4,132.76 and 703.13

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Solution

The fourth proportional to 2,755.13, 4,132.76 and 703.13 is: 1,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.13 : 4,132.76 = 703.13 : x
  2. Step 2: Convert to fraction form
    2,755.13/4,132.76 = 703.13/x
  3. Step 3: Cross multiply
    2,755.13x = 4,132.76 × 703.13
  4. Step 4: Simplify right side
    2,755.13x = 2,905,843.36
  5. Step 5: Solve for x
    x = 2,905,843.36/2,755.13
  6. Step 6: Final answer
    x = 1,054.70

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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.