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Finding the Fourth Proportional to 22,368.61, 33,552.92 and 21,876.54

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Solution

The fourth proportional to 22,368.61, 33,552.92 and 21,876.54 is: 32,814.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.61 : 33,552.92 = 21,876.54 : x
  2. Step 2: Convert to fraction form
    22,368.61/33,552.92 = 21,876.54/x
  3. Step 3: Cross multiply
    22,368.61x = 33,552.92 × 21,876.54
  4. Step 4: Simplify right side
    22,368.61x = 734,021,796.50
  5. Step 5: Solve for x
    x = 734,021,796.50/22,368.61
  6. Step 6: Final answer
    x = 32,814.81

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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.