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Finding the Fourth Proportional to 11,835.14, 16,331.85 and 7,358.76

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Solution

The fourth proportional to 11,835.14, 16,331.85 and 7,358.76 is: 10,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.14 : 16,331.85 = 7,358.76 : x
  2. Step 2: Convert to fraction form
    11,835.14/16,331.85 = 7,358.76/x
  3. Step 3: Cross multiply
    11,835.14x = 16,331.85 × 7,358.76
  4. Step 4: Simplify right side
    11,835.14x = 120,182,164.51
  5. Step 5: Solve for x
    x = 120,182,164.51/11,835.14
  6. Step 6: Final answer
    x = 10,154.69

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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.