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Finding the Fourth Proportional to 26,548.47, 39,829.63 and 9,908.64

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Solution

The fourth proportional to 26,548.47, 39,829.63 and 9,908.64 is: 14,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,548.47 : 39,829.63 = 9,908.64 : x
  2. Step 2: Convert to fraction form
    26,548.47/39,829.63 = 9,908.64/x
  3. Step 3: Cross multiply
    26,548.47x = 39,829.63 × 9,908.64
  4. Step 4: Simplify right side
    26,548.47x = 394,657,589.35
  5. Step 5: Solve for x
    x = 394,657,589.35/26,548.47
  6. Step 6: Final answer
    x = 14,865.55

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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.