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Finding the Fourth Proportional to 1,712.44, 2,569.73 and 983.44

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Solution

The fourth proportional to 1,712.44, 2,569.73 and 983.44 is: 1,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.44 : 2,569.73 = 983.44 : x
  2. Step 2: Convert to fraction form
    1,712.44/2,569.73 = 983.44/x
  3. Step 3: Cross multiply
    1,712.44x = 2,569.73 × 983.44
  4. Step 4: Simplify right side
    1,712.44x = 2,527,175.27
  5. Step 5: Solve for x
    x = 2,527,175.27/1,712.44
  6. Step 6: Final answer
    x = 1,475.77

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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.