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Finding the Fourth Proportional to 29,244, 40,356.88 and 15,996

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Solution

The fourth proportional to 29,244, 40,356.88 and 15,996 is: 22,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,244 : 40,356.88 = 15,996 : x
  2. Step 2: Convert to fraction form
    29,244/40,356.88 = 15,996/x
  3. Step 3: Cross multiply
    29,244x = 40,356.88 × 15,996
  4. Step 4: Simplify right side
    29,244x = 645,548,652.48
  5. Step 5: Solve for x
    x = 645,548,652.48/29,244
  6. Step 6: Final answer
    x = 22,074.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.