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Finding the Fourth Proportional to 9,326.90, 13,992.90 and 2,753.08

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Solution

The fourth proportional to 9,326.90, 13,992.90 and 2,753.08 is: 4,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.90 : 13,992.90 = 2,753.08 : x
  2. Step 2: Convert to fraction form
    9,326.90/13,992.90 = 2,753.08/x
  3. Step 3: Cross multiply
    9,326.90x = 13,992.90 × 2,753.08
  4. Step 4: Simplify right side
    9,326.90x = 38,523,616.65
  5. Step 5: Solve for x
    x = 38,523,616.65/9,326.90
  6. Step 6: Final answer
    x = 4,130.38

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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.