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Finding the Fourth Proportional to 4,701.91, 6,488.90 and 2,605.99

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Solution

The fourth proportional to 4,701.91, 6,488.90 and 2,605.99 is: 3,596.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,701.91 : 6,488.90 = 2,605.99 : x
  2. Step 2: Convert to fraction form
    4,701.91/6,488.90 = 2,605.99/x
  3. Step 3: Cross multiply
    4,701.91x = 6,488.90 × 2,605.99
  4. Step 4: Simplify right side
    4,701.91x = 16,910,008.51
  5. Step 5: Solve for x
    x = 16,910,008.51/4,701.91
  6. Step 6: Final answer
    x = 3,596.41

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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.