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Finding the Fourth Proportional to 3,339.71, 5,010.71 and 1,492.10

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Solution

The fourth proportional to 3,339.71, 5,010.71 and 1,492.10 is: 2,238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.71 : 5,010.71 = 1,492.10 : x
  2. Step 2: Convert to fraction form
    3,339.71/5,010.71 = 1,492.10/x
  3. Step 3: Cross multiply
    3,339.71x = 5,010.71 × 1,492.10
  4. Step 4: Simplify right side
    3,339.71x = 7,476,480.39
  5. Step 5: Solve for x
    x = 7,476,480.39/3,339.71
  6. Step 6: Final answer
    x = 2,238.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.