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Finding the Fourth Proportional to 3,279.01, 4,525.13 and 1,862.74

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Solution

The fourth proportional to 3,279.01, 4,525.13 and 1,862.74 is: 2,570.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.01 : 4,525.13 = 1,862.74 : x
  2. Step 2: Convert to fraction form
    3,279.01/4,525.13 = 1,862.74/x
  3. Step 3: Cross multiply
    3,279.01x = 4,525.13 × 1,862.74
  4. Step 4: Simplify right side
    3,279.01x = 8,429,120.03
  5. Step 5: Solve for x
    x = 8,429,120.03/3,279.01
  6. Step 6: Final answer
    x = 2,570.63

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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.