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Finding the Fourth Proportional to 9,662, 13,333.56 and 5,246

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Solution

The fourth proportional to 9,662, 13,333.56 and 5,246 is: 7,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,662 : 13,333.56 = 5,246 : x
  2. Step 2: Convert to fraction form
    9,662/13,333.56 = 5,246/x
  3. Step 3: Cross multiply
    9,662x = 13,333.56 × 5,246
  4. Step 4: Simplify right side
    9,662x = 69,947,855.76
  5. Step 5: Solve for x
    x = 69,947,855.76/9,662
  6. Step 6: Final answer
    x = 7,239.48

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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.