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Finding the Fourth Proportional to 7,339, 11,008.56 and 3,235

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Solution

The fourth proportional to 7,339, 11,008.56 and 3,235 is: 4,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339 : 11,008.56 = 3,235 : x
  2. Step 2: Convert to fraction form
    7,339/11,008.56 = 3,235/x
  3. Step 3: Cross multiply
    7,339x = 11,008.56 × 3,235
  4. Step 4: Simplify right side
    7,339x = 35,612,691.60
  5. Step 5: Solve for x
    x = 35,612,691.60/7,339
  6. Step 6: Final answer
    x = 4,852.53

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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.