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Finding the Fourth Proportional to 3,446.76, 4,756.36 and 1,874.80

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Solution

The fourth proportional to 3,446.76, 4,756.36 and 1,874.80 is: 2,587.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.76 : 4,756.36 = 1,874.80 : x
  2. Step 2: Convert to fraction form
    3,446.76/4,756.36 = 1,874.80/x
  3. Step 3: Cross multiply
    3,446.76x = 4,756.36 × 1,874.80
  4. Step 4: Simplify right side
    3,446.76x = 8,917,223.73
  5. Step 5: Solve for x
    x = 8,917,223.73/3,446.76
  6. Step 6: Final answer
    x = 2,587.13

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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.