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Finding the Fourth Proportional to 27,045.34, 40,571.85 and 8,326.94

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Solution

The fourth proportional to 27,045.34, 40,571.85 and 8,326.94 is: 12,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,045.34 : 40,571.85 = 8,326.94 : x
  2. Step 2: Convert to fraction form
    27,045.34/40,571.85 = 8,326.94/x
  3. Step 3: Cross multiply
    27,045.34x = 40,571.85 × 8,326.94
  4. Step 4: Simplify right side
    27,045.34x = 337,839,189.01
  5. Step 5: Solve for x
    x = 337,839,189.01/27,045.34
  6. Step 6: Final answer
    x = 12,491.58

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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.