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Finding the Fourth Proportional to 8,665.88, 11,958.93 and 4,687.01

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Solution

The fourth proportional to 8,665.88, 11,958.93 and 4,687.01 is: 6,468.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.88 : 11,958.93 = 4,687.01 : x
  2. Step 2: Convert to fraction form
    8,665.88/11,958.93 = 4,687.01/x
  3. Step 3: Cross multiply
    8,665.88x = 11,958.93 × 4,687.01
  4. Step 4: Simplify right side
    8,665.88x = 56,051,564.70
  5. Step 5: Solve for x
    x = 56,051,564.70/8,665.88
  6. Step 6: Final answer
    x = 6,468.08

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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.