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Finding the Fourth Proportional to 7,398.51, 11,101.01 and 3,239.57

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Solution

The fourth proportional to 7,398.51, 11,101.01 and 3,239.57 is: 4,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.51 : 11,101.01 = 3,239.57 : x
  2. Step 2: Convert to fraction form
    7,398.51/11,101.01 = 3,239.57/x
  3. Step 3: Cross multiply
    7,398.51x = 11,101.01 × 3,239.57
  4. Step 4: Simplify right side
    7,398.51x = 35,962,427.26
  5. Step 5: Solve for x
    x = 35,962,427.26/7,398.51
  6. Step 6: Final answer
    x = 4,860.77

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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.