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Finding the Fourth Proportional to 22,479.42, 33,713.66 and 9,319.16

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Solution

The fourth proportional to 22,479.42, 33,713.66 and 9,319.16 is: 13,976.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,479.42 : 33,713.66 = 9,319.16 : x
  2. Step 2: Convert to fraction form
    22,479.42/33,713.66 = 9,319.16/x
  3. Step 3: Cross multiply
    22,479.42x = 33,713.66 × 9,319.16
  4. Step 4: Simplify right side
    22,479.42x = 314,182,991.73
  5. Step 5: Solve for x
    x = 314,182,991.73/22,479.42
  6. Step 6: Final answer
    x = 13,976.47

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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.