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Finding the Fourth Proportional to 4,874.47, 6,726.82 and 2,959.74

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Solution

The fourth proportional to 4,874.47, 6,726.82 and 2,959.74 is: 4,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.47 : 6,726.82 = 2,959.74 : x
  2. Step 2: Convert to fraction form
    4,874.47/6,726.82 = 2,959.74/x
  3. Step 3: Cross multiply
    4,874.47x = 6,726.82 × 2,959.74
  4. Step 4: Simplify right side
    4,874.47x = 19,909,644.70
  5. Step 5: Solve for x
    x = 19,909,644.70/4,874.47
  6. Step 6: Final answer
    x = 4,084.48

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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.