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Finding the Fourth Proportional to 7,482.74, 11,135.75 and 7,233.57

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Solution

The fourth proportional to 7,482.74, 11,135.75 and 7,233.57 is: 10,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.74 : 11,135.75 = 7,233.57 : x
  2. Step 2: Convert to fraction form
    7,482.74/11,135.75 = 7,233.57/x
  3. Step 3: Cross multiply
    7,482.74x = 11,135.75 × 7,233.57
  4. Step 4: Simplify right side
    7,482.74x = 80,551,245.21
  5. Step 5: Solve for x
    x = 80,551,245.21/7,482.74
  6. Step 6: Final answer
    x = 10,764.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.