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Finding the Fourth Proportional to 3,486.04, 4,803.65 and 3,239.98

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Solution

The fourth proportional to 3,486.04, 4,803.65 and 3,239.98 is: 4,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.04 : 4,803.65 = 3,239.98 : x
  2. Step 2: Convert to fraction form
    3,486.04/4,803.65 = 3,239.98/x
  3. Step 3: Cross multiply
    3,486.04x = 4,803.65 × 3,239.98
  4. Step 4: Simplify right side
    3,486.04x = 15,563,713.73
  5. Step 5: Solve for x
    x = 15,563,713.73/3,486.04
  6. Step 6: Final answer
    x = 4,464.58

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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.