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Finding the Fourth Proportional to 1,763.96, 2,438.88 and 1,736.24

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Solution

The fourth proportional to 1,763.96, 2,438.88 and 1,736.24 is: 2,400.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.96 : 2,438.88 = 1,736.24 : x
  2. Step 2: Convert to fraction form
    1,763.96/2,438.88 = 1,736.24/x
  3. Step 3: Cross multiply
    1,763.96x = 2,438.88 × 1,736.24
  4. Step 4: Simplify right side
    1,763.96x = 4,234,481.01
  5. Step 5: Solve for x
    x = 4,234,481.01/1,763.96
  6. Step 6: Final answer
    x = 2,400.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.