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Finding the Fourth Proportional to 1,884.70, 2,600.97 and 1,254.22

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Solution

The fourth proportional to 1,884.70, 2,600.97 and 1,254.22 is: 1,730.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.70 : 2,600.97 = 1,254.22 : x
  2. Step 2: Convert to fraction form
    1,884.70/2,600.97 = 1,254.22/x
  3. Step 3: Cross multiply
    1,884.70x = 2,600.97 × 1,254.22
  4. Step 4: Simplify right side
    1,884.70x = 3,262,188.59
  5. Step 5: Solve for x
    x = 3,262,188.59/1,884.70
  6. Step 6: Final answer
    x = 1,730.88

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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.