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Finding the Fourth Proportional to 15,173, 22,754.57 and 5,812.52

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Solution

The fourth proportional to 15,173, 22,754.57 and 5,812.52 is: 8,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,173 : 22,754.57 = 5,812.52 : x
  2. Step 2: Convert to fraction form
    15,173/22,754.57 = 5,812.52/x
  3. Step 3: Cross multiply
    15,173x = 22,754.57 × 5,812.52
  4. Step 4: Simplify right side
    15,173x = 132,261,393.22
  5. Step 5: Solve for x
    x = 132,261,393.22/15,173
  6. Step 6: Final answer
    x = 8,716.89

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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.