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Finding the Fourth Proportional to 1,883.76, 2,809.74 and 1,826.16

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Solution

The fourth proportional to 1,883.76, 2,809.74 and 1,826.16 is: 2,723.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.76 : 2,809.74 = 1,826.16 : x
  2. Step 2: Convert to fraction form
    1,883.76/2,809.74 = 1,826.16/x
  3. Step 3: Cross multiply
    1,883.76x = 2,809.74 × 1,826.16
  4. Step 4: Simplify right side
    1,883.76x = 5,131,034.80
  5. Step 5: Solve for x
    x = 5,131,034.80/1,883.76
  6. Step 6: Final answer
    x = 2,723.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.