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Finding the Fourth Proportional to 15,135, 22,723.37 and 10,443.89

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Solution

The fourth proportional to 15,135, 22,723.37 and 10,443.89 is: 15,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135 : 22,723.37 = 10,443.89 : x
  2. Step 2: Convert to fraction form
    15,135/22,723.37 = 10,443.89/x
  3. Step 3: Cross multiply
    15,135x = 22,723.37 × 10,443.89
  4. Step 4: Simplify right side
    15,135x = 237,320,210.87
  5. Step 5: Solve for x
    x = 237,320,210.87/15,135
  6. Step 6: Final answer
    x = 15,680.23

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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.