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Finding the Fourth Proportional to 26,666.73, 39,986.65 and 8,891.08

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Solution

The fourth proportional to 26,666.73, 39,986.65 and 8,891.08 is: 13,332.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,666.73 : 39,986.65 = 8,891.08 : x
  2. Step 2: Convert to fraction form
    26,666.73/39,986.65 = 8,891.08/x
  3. Step 3: Cross multiply
    26,666.73x = 39,986.65 × 8,891.08
  4. Step 4: Simplify right side
    26,666.73x = 355,524,504.08
  5. Step 5: Solve for x
    x = 355,524,504.08/26,666.73
  6. Step 6: Final answer
    x = 13,332.14

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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.