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Finding the Fourth Proportional to 9,326.91, 13,989.89 and 3,483.08

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Solution

The fourth proportional to 9,326.91, 13,989.89 and 3,483.08 is: 5,224.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.91 : 13,989.89 = 3,483.08 : x
  2. Step 2: Convert to fraction form
    9,326.91/13,989.89 = 3,483.08/x
  3. Step 3: Cross multiply
    9,326.91x = 13,989.89 × 3,483.08
  4. Step 4: Simplify right side
    9,326.91x = 48,727,844.82
  5. Step 5: Solve for x
    x = 48,727,844.82/9,326.91
  6. Step 6: Final answer
    x = 5,224.44

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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.