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Finding the Fourth Proportional to 26,641.10, 39,952.99 and 8,867.98

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Solution

The fourth proportional to 26,641.10, 39,952.99 and 8,867.98 is: 13,299.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,641.10 : 39,952.99 = 8,867.98 : x
  2. Step 2: Convert to fraction form
    26,641.10/39,952.99 = 8,867.98/x
  3. Step 3: Cross multiply
    26,641.10x = 39,952.99 × 8,867.98
  4. Step 4: Simplify right side
    26,641.10x = 354,302,072.16
  5. Step 5: Solve for x
    x = 354,302,072.16/26,641.10
  6. Step 6: Final answer
    x = 13,299.08

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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.