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Finding the Fourth Proportional to 15,314.87, 22,972.03 and 8,727.01

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Solution

The fourth proportional to 15,314.87, 22,972.03 and 8,727.01 is: 13,090.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314.87 : 22,972.03 = 8,727.01 : x
  2. Step 2: Convert to fraction form
    15,314.87/22,972.03 = 8,727.01/x
  3. Step 3: Cross multiply
    15,314.87x = 22,972.03 × 8,727.01
  4. Step 4: Simplify right side
    15,314.87x = 200,477,135.53
  5. Step 5: Solve for x
    x = 200,477,135.53/15,314.87
  6. Step 6: Final answer
    x = 13,090.36

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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.