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Finding the Fourth Proportional to 1,714.40, 2,569.44 and 944

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Solution

The fourth proportional to 1,714.40, 2,569.44 and 944 is: 1,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.40 : 2,569.44 = 944 : x
  2. Step 2: Convert to fraction form
    1,714.40/2,569.44 = 944/x
  3. Step 3: Cross multiply
    1,714.40x = 2,569.44 × 944
  4. Step 4: Simplify right side
    1,714.40x = 2,425,551.36
  5. Step 5: Solve for x
    x = 2,425,551.36/1,714.40
  6. Step 6: Final answer
    x = 1,414.81

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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.