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Finding the Fourth Proportional to 11,056, 15,270.40 and 8,066.88

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Solution

The fourth proportional to 11,056, 15,270.40 and 8,066.88 is: 11,141.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,056 : 15,270.40 = 8,066.88 : x
  2. Step 2: Convert to fraction form
    11,056/15,270.40 = 8,066.88/x
  3. Step 3: Cross multiply
    11,056x = 15,270.40 × 8,066.88
  4. Step 4: Simplify right side
    11,056x = 123,184,484.35
  5. Step 5: Solve for x
    x = 123,184,484.35/11,056
  6. Step 6: Final answer
    x = 11,141.87

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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.