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Finding the Fourth Proportional to 22,005.50, 33,008.26 and 9,693.50

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Solution

The fourth proportional to 22,005.50, 33,008.26 and 9,693.50 is: 14,540.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.50 : 33,008.26 = 9,693.50 : x
  2. Step 2: Convert to fraction form
    22,005.50/33,008.26 = 9,693.50/x
  3. Step 3: Cross multiply
    22,005.50x = 33,008.26 × 9,693.50
  4. Step 4: Simplify right side
    22,005.50x = 319,965,568.31
  5. Step 5: Solve for x
    x = 319,965,568.31/22,005.50
  6. Step 6: Final answer
    x = 14,540.25

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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.