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Finding the Fourth Proportional to 7,339.35, 10,127.95 and 3,982.08

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Solution

The fourth proportional to 7,339.35, 10,127.95 and 3,982.08 is: 5,495.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.35 : 10,127.95 = 3,982.08 : x
  2. Step 2: Convert to fraction form
    7,339.35/10,127.95 = 3,982.08/x
  3. Step 3: Cross multiply
    7,339.35x = 10,127.95 × 3,982.08
  4. Step 4: Simplify right side
    7,339.35x = 40,330,260.51
  5. Step 5: Solve for x
    x = 40,330,260.51/7,339.35
  6. Step 6: Final answer
    x = 5,495.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.