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Finding the Fourth Proportional to 22,641.30, 33,827.90 and 21,866.13

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Solution

The fourth proportional to 22,641.30, 33,827.90 and 21,866.13 is: 32,669.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,641.30 : 33,827.90 = 21,866.13 : x
  2. Step 2: Convert to fraction form
    22,641.30/33,827.90 = 21,866.13/x
  3. Step 3: Cross multiply
    22,641.30x = 33,827.90 × 21,866.13
  4. Step 4: Simplify right side
    22,641.30x = 739,685,259.03
  5. Step 5: Solve for x
    x = 739,685,259.03/22,641.30
  6. Step 6: Final answer
    x = 32,669.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.