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Finding the Fourth Proportional to 5,536, 8,305.28 and 1,888

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Solution

The fourth proportional to 5,536, 8,305.28 and 1,888 is: 2,832.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536 : 8,305.28 = 1,888 : x
  2. Step 2: Convert to fraction form
    5,536/8,305.28 = 1,888/x
  3. Step 3: Cross multiply
    5,536x = 8,305.28 × 1,888
  4. Step 4: Simplify right side
    5,536x = 15,680,368.64
  5. Step 5: Solve for x
    x = 15,680,368.64/5,536
  6. Step 6: Final answer
    x = 2,832.44

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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.