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Finding the Fourth Proportional to 5,699.87, 7,865.88 and 3,310.00

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Solution

The fourth proportional to 5,699.87, 7,865.88 and 3,310.00 is: 4,567.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.87 : 7,865.88 = 3,310.00 : x
  2. Step 2: Convert to fraction form
    5,699.87/7,865.88 = 3,310.00/x
  3. Step 3: Cross multiply
    5,699.87x = 7,865.88 × 3,310.00
  4. Step 4: Simplify right side
    5,699.87x = 26,036,030.72
  5. Step 5: Solve for x
    x = 26,036,030.72/5,699.87
  6. Step 6: Final answer
    x = 4,567.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.