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Finding the Fourth Proportional to 2,083.53, 3,127.07 and 914.48

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Solution

The fourth proportional to 2,083.53, 3,127.07 and 914.48 is: 1,372.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.53 : 3,127.07 = 914.48 : x
  2. Step 2: Convert to fraction form
    2,083.53/3,127.07 = 914.48/x
  3. Step 3: Cross multiply
    2,083.53x = 3,127.07 × 914.48
  4. Step 4: Simplify right side
    2,083.53x = 2,859,622.77
  5. Step 5: Solve for x
    x = 2,859,622.77/2,083.53
  6. Step 6: Final answer
    x = 1,372.49

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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.