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Finding the Fourth Proportional to 11,055.84, 16,583.76 and 9,103.98

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Solution

The fourth proportional to 11,055.84, 16,583.76 and 9,103.98 is: 13,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.84 : 16,583.76 = 9,103.98 : x
  2. Step 2: Convert to fraction form
    11,055.84/16,583.76 = 9,103.98/x
  3. Step 3: Cross multiply
    11,055.84x = 16,583.76 × 9,103.98
  4. Step 4: Simplify right side
    11,055.84x = 150,978,219.36
  5. Step 5: Solve for x
    x = 150,978,219.36/11,055.84
  6. Step 6: Final answer
    x = 13,655.97

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Double scale
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Similar ratio
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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.