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Finding the Fourth Proportional to 7,224.88, 10,830.84 and 3,326.08

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Solution

The fourth proportional to 7,224.88, 10,830.84 and 3,326.08 is: 4,986.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.88 : 10,830.84 = 3,326.08 : x
  2. Step 2: Convert to fraction form
    7,224.88/10,830.84 = 3,326.08/x
  3. Step 3: Cross multiply
    7,224.88x = 10,830.84 × 3,326.08
  4. Step 4: Simplify right side
    7,224.88x = 36,024,240.31
  5. Step 5: Solve for x
    x = 36,024,240.31/7,224.88
  6. Step 6: Final answer
    x = 4,986.14

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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.