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Finding the Fourth Proportional to 17,752.80, 26,452.80 and 17,083.20

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Solution

The fourth proportional to 17,752.80, 26,452.80 and 17,083.20 is: 25,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,752.80 : 26,452.80 = 17,083.20 : x
  2. Step 2: Convert to fraction form
    17,752.80/26,452.80 = 17,083.20/x
  3. Step 3: Cross multiply
    17,752.80x = 26,452.80 × 17,083.20
  4. Step 4: Simplify right side
    17,752.80x = 451,898,472.96
  5. Step 5: Solve for x
    x = 451,898,472.96/17,752.80
  6. Step 6: Final answer
    x = 25,455.05

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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.