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Finding the Fourth Proportional to 2,260.54, 3,390.75 and 700.48

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Solution

The fourth proportional to 2,260.54, 3,390.75 and 700.48 is: 1,050.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.54 : 3,390.75 = 700.48 : x
  2. Step 2: Convert to fraction form
    2,260.54/3,390.75 = 700.48/x
  3. Step 3: Cross multiply
    2,260.54x = 3,390.75 × 700.48
  4. Step 4: Simplify right side
    2,260.54x = 2,375,141.46
  5. Step 5: Solve for x
    x = 2,375,141.46/2,260.54
  6. Step 6: Final answer
    x = 1,050.70

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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.