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Finding the Fourth Proportional to 22,497, 31,058.58 and 20,005.44

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Solution

The fourth proportional to 22,497, 31,058.58 and 20,005.44 is: 27,618.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,497 : 31,058.58 = 20,005.44 : x
  2. Step 2: Convert to fraction form
    22,497/31,058.58 = 20,005.44/x
  3. Step 3: Cross multiply
    22,497x = 31,058.58 × 20,005.44
  4. Step 4: Simplify right side
    22,497x = 621,340,558.68
  5. Step 5: Solve for x
    x = 621,340,558.68/22,497
  6. Step 6: Final answer
    x = 27,618.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.