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Finding the Fourth Proportional to 2,755.52, 4,133.36 and 703.52

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Solution

The fourth proportional to 2,755.52, 4,133.36 and 703.52 is: 1,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.52 : 4,133.36 = 703.52 : x
  2. Step 2: Convert to fraction form
    2,755.52/4,133.36 = 703.52/x
  3. Step 3: Cross multiply
    2,755.52x = 4,133.36 × 703.52
  4. Step 4: Simplify right side
    2,755.52x = 2,907,901.43
  5. Step 5: Solve for x
    x = 2,907,901.43/2,755.52
  6. Step 6: Final answer
    x = 1,055.30

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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.