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Finding the Fourth Proportional to 5,339.73, 7,368.51 and 2,982.02

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Solution

The fourth proportional to 5,339.73, 7,368.51 and 2,982.02 is: 4,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.73 : 7,368.51 = 2,982.02 : x
  2. Step 2: Convert to fraction form
    5,339.73/7,368.51 = 2,982.02/x
  3. Step 3: Cross multiply
    5,339.73x = 7,368.51 × 2,982.02
  4. Step 4: Simplify right side
    5,339.73x = 21,973,044.19
  5. Step 5: Solve for x
    x = 21,973,044.19/5,339.73
  6. Step 6: Final answer
    x = 4,115.01

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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.