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Finding the Fourth Proportional to 26,662.73, 39,980.66 and 8,887.08

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Solution

The fourth proportional to 26,662.73, 39,980.66 and 8,887.08 is: 13,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,662.73 : 39,980.66 = 8,887.08 : x
  2. Step 2: Convert to fraction form
    26,662.73/39,980.66 = 8,887.08/x
  3. Step 3: Cross multiply
    26,662.73x = 39,980.66 × 8,887.08
  4. Step 4: Simplify right side
    26,662.73x = 355,311,279.44
  5. Step 5: Solve for x
    x = 355,311,279.44/26,662.73
  6. Step 6: Final answer
    x = 13,326.14

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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.