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Finding the Fourth Proportional to 5,868.06, 8,802.49 and 2,170.20

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Solution

The fourth proportional to 5,868.06, 8,802.49 and 2,170.20 is: 3,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.06 : 8,802.49 = 2,170.20 : x
  2. Step 2: Convert to fraction form
    5,868.06/8,802.49 = 2,170.20/x
  3. Step 3: Cross multiply
    5,868.06x = 8,802.49 × 2,170.20
  4. Step 4: Simplify right side
    5,868.06x = 19,103,163.80
  5. Step 5: Solve for x
    x = 19,103,163.80/5,868.06
  6. Step 6: Final answer
    x = 3,255.45

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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.