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Finding the Fourth Proportional to 5,758.75, 8,639.07 and 1,862.38

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Solution

The fourth proportional to 5,758.75, 8,639.07 and 1,862.38 is: 2,793.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,758.75 : 8,639.07 = 1,862.38 : x
  2. Step 2: Convert to fraction form
    5,758.75/8,639.07 = 1,862.38/x
  3. Step 3: Cross multiply
    5,758.75x = 8,639.07 × 1,862.38
  4. Step 4: Simplify right side
    5,758.75x = 16,089,231.19
  5. Step 5: Solve for x
    x = 16,089,231.19/5,758.75
  6. Step 6: Final answer
    x = 2,793.88

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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.