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Finding the Fourth Proportional to 5,767.99, 8,645.74 and 2,800.15

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Solution

The fourth proportional to 5,767.99, 8,645.74 and 2,800.15 is: 4,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,767.99 : 8,645.74 = 2,800.15 : x
  2. Step 2: Convert to fraction form
    5,767.99/8,645.74 = 2,800.15/x
  3. Step 3: Cross multiply
    5,767.99x = 8,645.74 × 2,800.15
  4. Step 4: Simplify right side
    5,767.99x = 24,209,340.25
  5. Step 5: Solve for x
    x = 24,209,340.25/5,767.99
  6. Step 6: Final answer
    x = 4,197.19

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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.