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Finding the Fourth Proportional to 29,241, 40,352.58 and 15,993

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Solution

The fourth proportional to 29,241, 40,352.58 and 15,993 is: 22,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,241 : 40,352.58 = 15,993 : x
  2. Step 2: Convert to fraction form
    29,241/40,352.58 = 15,993/x
  3. Step 3: Cross multiply
    29,241x = 40,352.58 × 15,993
  4. Step 4: Simplify right side
    29,241x = 645,358,811.94
  5. Step 5: Solve for x
    x = 645,358,811.94/29,241
  6. Step 6: Final answer
    x = 22,070.34

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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.