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Finding the Fourth Proportional to 15,346.11, 22,978.13 and 8,763.24

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Solution

The fourth proportional to 15,346.11, 22,978.13 and 8,763.24 is: 13,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,346.11 : 22,978.13 = 8,763.24 : x
  2. Step 2: Convert to fraction form
    15,346.11/22,978.13 = 8,763.24/x
  3. Step 3: Cross multiply
    15,346.11x = 22,978.13 × 8,763.24
  4. Step 4: Simplify right side
    15,346.11x = 201,362,824.13
  5. Step 5: Solve for x
    x = 201,362,824.13/15,346.11
  6. Step 6: Final answer
    x = 13,121.42

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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.