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Finding the Fourth Proportional to 8,331.84, 12,471.12 and 5,955.84

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Solution

The fourth proportional to 8,331.84, 12,471.12 and 5,955.84 is: 8,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.84 : 12,471.12 = 5,955.84 : x
  2. Step 2: Convert to fraction form
    8,331.84/12,471.12 = 5,955.84/x
  3. Step 3: Cross multiply
    8,331.84x = 12,471.12 × 5,955.84
  4. Step 4: Simplify right side
    8,331.84x = 74,275,995.34
  5. Step 5: Solve for x
    x = 74,275,995.34/8,331.84
  6. Step 6: Final answer
    x = 8,914.72

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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.