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Finding the Fourth Proportional to 18,083.34, 27,129.90 and 16,348.32

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Solution

The fourth proportional to 18,083.34, 27,129.90 and 16,348.32 is: 24,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,083.34 : 27,129.90 = 16,348.32 : x
  2. Step 2: Convert to fraction form
    18,083.34/27,129.90 = 16,348.32/x
  3. Step 3: Cross multiply
    18,083.34x = 27,129.90 × 16,348.32
  4. Step 4: Simplify right side
    18,083.34x = 443,528,286.77
  5. Step 5: Solve for x
    x = 443,528,286.77/18,083.34
  6. Step 6: Final answer
    x = 24,526.90

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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.