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Finding the Fourth Proportional to 2,565.41, 3,847.23 and 833.63

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Solution

The fourth proportional to 2,565.41, 3,847.23 and 833.63 is: 1,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.41 : 3,847.23 = 833.63 : x
  2. Step 2: Convert to fraction form
    2,565.41/3,847.23 = 833.63/x
  3. Step 3: Cross multiply
    2,565.41x = 3,847.23 × 833.63
  4. Step 4: Simplify right side
    2,565.41x = 3,207,147.11
  5. Step 5: Solve for x
    x = 3,207,147.11/2,565.41
  6. Step 6: Final answer
    x = 1,250.15

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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.