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Finding the Fourth Proportional to 11,859.12, 16,328.12 and 10,441.82

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Solution

The fourth proportional to 11,859.12, 16,328.12 and 10,441.82 is: 14,376.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.12 : 16,328.12 = 10,441.82 : x
  2. Step 2: Convert to fraction form
    11,859.12/16,328.12 = 10,441.82/x
  3. Step 3: Cross multiply
    11,859.12x = 16,328.12 × 10,441.82
  4. Step 4: Simplify right side
    11,859.12x = 170,495,278.59
  5. Step 5: Solve for x
    x = 170,495,278.59/11,859.12
  6. Step 6: Final answer
    x = 14,376.72

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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.