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Finding the Fourth Proportional to 41,709.44, 62,525.28 and 13,988

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Solution

The fourth proportional to 41,709.44, 62,525.28 and 13,988 is: 20,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,709.44 : 62,525.28 = 13,988 : x
  2. Step 2: Convert to fraction form
    41,709.44/62,525.28 = 13,988/x
  3. Step 3: Cross multiply
    41,709.44x = 62,525.28 × 13,988
  4. Step 4: Simplify right side
    41,709.44x = 874,603,616.64
  5. Step 5: Solve for x
    x = 874,603,616.64/41,709.44
  6. Step 6: Final answer
    x = 20,968.96

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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.