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Finding the Fourth Proportional to 752.36, 1,125.63 and 700.52

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Solution

The fourth proportional to 752.36, 1,125.63 and 700.52 is: 1,048.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    752.36 : 1,125.63 = 700.52 : x
  2. Step 2: Convert to fraction form
    752.36/1,125.63 = 700.52/x
  3. Step 3: Cross multiply
    752.36x = 1,125.63 × 700.52
  4. Step 4: Simplify right side
    752.36x = 788,520.70
  5. Step 5: Solve for x
    x = 788,520.70/752.36
  6. Step 6: Final answer
    x = 1,048.07

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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.