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Finding the Fourth Proportional to 4,464.69, 6,687.95 and 2,899.95

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Solution

The fourth proportional to 4,464.69, 6,687.95 and 2,899.95 is: 4,344.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,464.69 : 6,687.95 = 2,899.95 : x
  2. Step 2: Convert to fraction form
    4,464.69/6,687.95 = 2,899.95/x
  3. Step 3: Cross multiply
    4,464.69x = 6,687.95 × 2,899.95
  4. Step 4: Simplify right side
    4,464.69x = 19,394,681.02
  5. Step 5: Solve for x
    x = 19,394,681.02/4,464.69
  6. Step 6: Final answer
    x = 4,344.02

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Why These Related Problems?

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