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Finding the Fourth Proportional to 29,889.48, 44,806.53 and 13,240.64

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Solution

The fourth proportional to 29,889.48, 44,806.53 and 13,240.64 is: 19,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,889.48 : 44,806.53 = 13,240.64 : x
  2. Step 2: Convert to fraction form
    29,889.48/44,806.53 = 13,240.64/x
  3. Step 3: Cross multiply
    29,889.48x = 44,806.53 × 13,240.64
  4. Step 4: Simplify right side
    29,889.48x = 593,267,245.40
  5. Step 5: Solve for x
    x = 593,267,245.40/29,889.48
  6. Step 6: Final answer
    x = 19,848.70

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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.