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Finding the Fourth Proportional to 5,007.66, 7,503.18 and 2,664.36

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Solution

The fourth proportional to 5,007.66, 7,503.18 and 2,664.36 is: 3,992.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.66 : 7,503.18 = 2,664.36 : x
  2. Step 2: Convert to fraction form
    5,007.66/7,503.18 = 2,664.36/x
  3. Step 3: Cross multiply
    5,007.66x = 7,503.18 × 2,664.36
  4. Step 4: Simplify right side
    5,007.66x = 19,991,172.66
  5. Step 5: Solve for x
    x = 19,991,172.66/5,007.66
  6. Step 6: Final answer
    x = 3,992.12

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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.