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Finding the Fourth Proportional to 3,486.78, 4,801.83 and 3,264.36

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Solution

The fourth proportional to 3,486.78, 4,801.83 and 3,264.36 is: 4,495.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.78 : 4,801.83 = 3,264.36 : x
  2. Step 2: Convert to fraction form
    3,486.78/4,801.83 = 3,264.36/x
  3. Step 3: Cross multiply
    3,486.78x = 4,801.83 × 3,264.36
  4. Step 4: Simplify right side
    3,486.78x = 15,674,901.78
  5. Step 5: Solve for x
    x = 15,674,901.78/3,486.78
  6. Step 6: Final answer
    x = 4,495.52

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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.