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Finding the Fourth Proportional to 29,258.56, 43,888.92 and 13,672

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Solution

The fourth proportional to 29,258.56, 43,888.92 and 13,672 is: 20,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,258.56 : 43,888.92 = 13,672 : x
  2. Step 2: Convert to fraction form
    29,258.56/43,888.92 = 13,672/x
  3. Step 3: Cross multiply
    29,258.56x = 43,888.92 × 13,672
  4. Step 4: Simplify right side
    29,258.56x = 600,049,314.24
  5. Step 5: Solve for x
    x = 600,049,314.24/29,258.56
  6. Step 6: Final answer
    x = 20,508.50

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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.