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Finding the Fourth Proportional to 1,883.36, 2,826.30 and 714.44

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Solution

The fourth proportional to 1,883.36, 2,826.30 and 714.44 is: 1,072.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.36 : 2,826.30 = 714.44 : x
  2. Step 2: Convert to fraction form
    1,883.36/2,826.30 = 714.44/x
  3. Step 3: Cross multiply
    1,883.36x = 2,826.30 × 714.44
  4. Step 4: Simplify right side
    1,883.36x = 2,019,221.77
  5. Step 5: Solve for x
    x = 2,019,221.77/1,883.36
  6. Step 6: Final answer
    x = 1,072.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.