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Finding the Fourth Proportional to 3,302.76, 4,556.52 and 1,976.52

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Solution

The fourth proportional to 3,302.76, 4,556.52 and 1,976.52 is: 2,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.76 : 4,556.52 = 1,976.52 : x
  2. Step 2: Convert to fraction form
    3,302.76/4,556.52 = 1,976.52/x
  3. Step 3: Cross multiply
    3,302.76x = 4,556.52 × 1,976.52
  4. Step 4: Simplify right side
    3,302.76x = 9,006,052.91
  5. Step 5: Solve for x
    x = 9,006,052.91/3,302.76
  6. Step 6: Final answer
    x = 2,726.83

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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.