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Finding the Fourth Proportional to 32,431.66, 48,669.13 and 11,371.69

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Solution

The fourth proportional to 32,431.66, 48,669.13 and 11,371.69 is: 17,065.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,431.66 : 48,669.13 = 11,371.69 : x
  2. Step 2: Convert to fraction form
    32,431.66/48,669.13 = 11,371.69/x
  3. Step 3: Cross multiply
    32,431.66x = 48,669.13 × 11,371.69
  4. Step 4: Simplify right side
    32,431.66x = 553,450,015.58
  5. Step 5: Solve for x
    x = 553,450,015.58/32,431.66
  6. Step 6: Final answer
    x = 17,065.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.