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Finding the Fourth Proportional to 5,063.88, 6,986.88 and 3,074.52

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Solution

The fourth proportional to 5,063.88, 6,986.88 and 3,074.52 is: 4,242.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,063.88 : 6,986.88 = 3,074.52 : x
  2. Step 2: Convert to fraction form
    5,063.88/6,986.88 = 3,074.52/x
  3. Step 3: Cross multiply
    5,063.88x = 6,986.88 × 3,074.52
  4. Step 4: Simplify right side
    5,063.88x = 21,481,302.30
  5. Step 5: Solve for x
    x = 21,481,302.30/5,063.88
  6. Step 6: Final answer
    x = 4,242.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.