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Finding the Fourth Proportional to 15,051.71, 22,585.31 and 7,163.16

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Solution

The fourth proportional to 15,051.71, 22,585.31 and 7,163.16 is: 10,748.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051.71 : 22,585.31 = 7,163.16 : x
  2. Step 2: Convert to fraction form
    15,051.71/22,585.31 = 7,163.16/x
  3. Step 3: Cross multiply
    15,051.71x = 22,585.31 × 7,163.16
  4. Step 4: Simplify right side
    15,051.71x = 161,782,153.36
  5. Step 5: Solve for x
    x = 161,782,153.36/15,051.71
  6. Step 6: Final answer
    x = 10,748.43

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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.