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Finding the Fourth Proportional to 5,339.19, 7,368.12 and 2,981.46

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Solution

The fourth proportional to 5,339.19, 7,368.12 and 2,981.46 is: 4,114.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.19 : 7,368.12 = 2,981.46 : x
  2. Step 2: Convert to fraction form
    5,339.19/7,368.12 = 2,981.46/x
  3. Step 3: Cross multiply
    5,339.19x = 7,368.12 × 2,981.46
  4. Step 4: Simplify right side
    5,339.19x = 21,967,755.06
  5. Step 5: Solve for x
    x = 21,967,755.06/5,339.19
  6. Step 6: Final answer
    x = 4,114.44

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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.