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Finding the Fourth Proportional to 14,671.26, 20,250.81 and 11,707.47

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Solution

The fourth proportional to 14,671.26, 20,250.81 and 11,707.47 is: 16,159.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671.26 : 20,250.81 = 11,707.47 : x
  2. Step 2: Convert to fraction form
    14,671.26/20,250.81 = 11,707.47/x
  3. Step 3: Cross multiply
    14,671.26x = 20,250.81 × 11,707.47
  4. Step 4: Simplify right side
    14,671.26x = 237,085,750.55
  5. Step 5: Solve for x
    x = 237,085,750.55/14,671.26
  6. Step 6: Final answer
    x = 16,159.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.