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Finding the Fourth Proportional to 7,296.75, 10,069.52 and 3,984.75

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Solution

The fourth proportional to 7,296.75, 10,069.52 and 3,984.75 is: 5,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,296.75 : 10,069.52 = 3,984.75 : x
  2. Step 2: Convert to fraction form
    7,296.75/10,069.52 = 3,984.75/x
  3. Step 3: Cross multiply
    7,296.75x = 10,069.52 × 3,984.75
  4. Step 4: Simplify right side
    7,296.75x = 40,124,499.90
  5. Step 5: Solve for x
    x = 40,124,499.90/7,296.75
  6. Step 6: Final answer
    x = 5,498.96

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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.