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Finding the Fourth Proportional to 8,331.51, 12,491.08 and 5,043.82

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Solution

The fourth proportional to 8,331.51, 12,491.08 and 5,043.82 is: 7,561.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.51 : 12,491.08 = 5,043.82 : x
  2. Step 2: Convert to fraction form
    8,331.51/12,491.08 = 5,043.82/x
  3. Step 3: Cross multiply
    8,331.51x = 12,491.08 × 5,043.82
  4. Step 4: Simplify right side
    8,331.51x = 63,002,759.13
  5. Step 5: Solve for x
    x = 63,002,759.13/8,331.51
  6. Step 6: Final answer
    x = 7,561.99

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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.