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Finding the Fourth Proportional to 7,232.88, 9,981.04 and 4,249.04

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Solution

The fourth proportional to 7,232.88, 9,981.04 and 4,249.04 is: 5,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,232.88 : 9,981.04 = 4,249.04 : x
  2. Step 2: Convert to fraction form
    7,232.88/9,981.04 = 4,249.04/x
  3. Step 3: Cross multiply
    7,232.88x = 9,981.04 × 4,249.04
  4. Step 4: Simplify right side
    7,232.88x = 42,409,838.20
  5. Step 5: Solve for x
    x = 42,409,838.20/7,232.88
  6. Step 6: Final answer
    x = 5,863.48

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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.