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Finding the Fourth Proportional to 14,019.88, 19,347.44 and 7,732.66

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Solution

The fourth proportional to 14,019.88, 19,347.44 and 7,732.66 is: 10,671.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.88 : 19,347.44 = 7,732.66 : x
  2. Step 2: Convert to fraction form
    14,019.88/19,347.44 = 7,732.66/x
  3. Step 3: Cross multiply
    14,019.88x = 19,347.44 × 7,732.66
  4. Step 4: Simplify right side
    14,019.88x = 149,607,175.39
  5. Step 5: Solve for x
    x = 149,607,175.39/14,019.88
  6. Step 6: Final answer
    x = 10,671.07

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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.