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Finding the Fourth Proportional to 27,010.66, 40,515.99 and 7,289.22

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Solution

The fourth proportional to 27,010.66, 40,515.99 and 7,289.22 is: 10,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,010.66 : 40,515.99 = 7,289.22 : x
  2. Step 2: Convert to fraction form
    27,010.66/40,515.99 = 7,289.22/x
  3. Step 3: Cross multiply
    27,010.66x = 40,515.99 × 7,289.22
  4. Step 4: Simplify right side
    27,010.66x = 295,329,964.63
  5. Step 5: Solve for x
    x = 295,329,964.63/27,010.66
  6. Step 6: Final answer
    x = 10,933.83

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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.