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Finding the Fourth Proportional to 5,250.61, 7,865.83 and 5,074.75

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Solution

The fourth proportional to 5,250.61, 7,865.83 and 5,074.75 is: 7,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.61 : 7,865.83 = 5,074.75 : x
  2. Step 2: Convert to fraction form
    5,250.61/7,865.83 = 5,074.75/x
  3. Step 3: Cross multiply
    5,250.61x = 7,865.83 × 5,074.75
  4. Step 4: Simplify right side
    5,250.61x = 39,917,120.79
  5. Step 5: Solve for x
    x = 39,917,120.79/5,250.61
  6. Step 6: Final answer
    x = 7,602.38

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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.