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Finding the Fourth Proportional to 10,855.56, 14,975.91 and 8,333.22

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Solution

The fourth proportional to 10,855.56, 14,975.91 and 8,333.22 is: 11,496.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.56 : 14,975.91 = 8,333.22 : x
  2. Step 2: Convert to fraction form
    10,855.56/14,975.91 = 8,333.22/x
  3. Step 3: Cross multiply
    10,855.56x = 14,975.91 × 8,333.22
  4. Step 4: Simplify right side
    10,855.56x = 124,797,552.73
  5. Step 5: Solve for x
    x = 124,797,552.73/10,855.56
  6. Step 6: Final answer
    x = 11,496.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.