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Finding the Fourth Proportional to 22,319.38, 33,479.07 and 8,468.38

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Solution

The fourth proportional to 22,319.38, 33,479.07 and 8,468.38 is: 12,702.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.38 : 33,479.07 = 8,468.38 : x
  2. Step 2: Convert to fraction form
    22,319.38/33,479.07 = 8,468.38/x
  3. Step 3: Cross multiply
    22,319.38x = 33,479.07 × 8,468.38
  4. Step 4: Simplify right side
    22,319.38x = 283,513,486.81
  5. Step 5: Solve for x
    x = 283,513,486.81/22,319.38
  6. Step 6: Final answer
    x = 12,702.57

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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.