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Finding the Fourth Proportional to 9,000.52, 13,482.25 and 7,963.21

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Solution

The fourth proportional to 9,000.52, 13,482.25 and 7,963.21 is: 11,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.52 : 13,482.25 = 7,963.21 : x
  2. Step 2: Convert to fraction form
    9,000.52/13,482.25 = 7,963.21/x
  3. Step 3: Cross multiply
    9,000.52x = 13,482.25 × 7,963.21
  4. Step 4: Simplify right side
    9,000.52x = 107,361,984.97
  5. Step 5: Solve for x
    x = 107,361,984.97/9,000.52
  6. Step 6: Final answer
    x = 11,928.42

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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.