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Finding the Fourth Proportional to 18,058.58, 24,932.54 and 16,166.90

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Solution

The fourth proportional to 18,058.58, 24,932.54 and 16,166.90 is: 22,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.58 : 24,932.54 = 16,166.90 : x
  2. Step 2: Convert to fraction form
    18,058.58/24,932.54 = 16,166.90/x
  3. Step 3: Cross multiply
    18,058.58x = 24,932.54 × 16,166.90
  4. Step 4: Simplify right side
    18,058.58x = 403,081,984.63
  5. Step 5: Solve for x
    x = 403,081,984.63/18,058.58
  6. Step 6: Final answer
    x = 22,320.80

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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.