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Finding the Fourth Proportional to 22,329.92, 33,498.93 and 9,191.72

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Solution

The fourth proportional to 22,329.92, 33,498.93 and 9,191.72 is: 13,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,329.92 : 33,498.93 = 9,191.72 : x
  2. Step 2: Convert to fraction form
    22,329.92/33,498.93 = 9,191.72/x
  3. Step 3: Cross multiply
    22,329.92x = 33,498.93 × 9,191.72
  4. Step 4: Simplify right side
    22,329.92x = 307,912,784.86
  5. Step 5: Solve for x
    x = 307,912,784.86/22,329.92
  6. Step 6: Final answer
    x = 13,789.25

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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.