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Finding the Fourth Proportional to 18,091.30, 24,969.09 and 10,542.11

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Solution

The fourth proportional to 18,091.30, 24,969.09 and 10,542.11 is: 14,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.30 : 24,969.09 = 10,542.11 : x
  2. Step 2: Convert to fraction form
    18,091.30/24,969.09 = 10,542.11/x
  3. Step 3: Cross multiply
    18,091.30x = 24,969.09 × 10,542.11
  4. Step 4: Simplify right side
    18,091.30x = 263,226,893.38
  5. Step 5: Solve for x
    x = 263,226,893.38/18,091.30
  6. Step 6: Final answer
    x = 14,549.92

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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.