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Finding the Fourth Proportional to 14,900.90, 20,572.86 and 9,241.66

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Solution

The fourth proportional to 14,900.90, 20,572.86 and 9,241.66 is: 12,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.90 : 20,572.86 = 9,241.66 : x
  2. Step 2: Convert to fraction form
    14,900.90/20,572.86 = 9,241.66/x
  3. Step 3: Cross multiply
    14,900.90x = 20,572.86 × 9,241.66
  4. Step 4: Simplify right side
    14,900.90x = 190,127,377.35
  5. Step 5: Solve for x
    x = 190,127,377.35/14,900.90
  6. Step 6: Final answer
    x = 12,759.46

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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.