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Finding the Fourth Proportional to 36,878.92, 55,318.76 and 9,176.92

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Solution

The fourth proportional to 36,878.92, 55,318.76 and 9,176.92 is: 13,765.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,878.92 : 55,318.76 = 9,176.92 : x
  2. Step 2: Convert to fraction form
    36,878.92/55,318.76 = 9,176.92/x
  3. Step 3: Cross multiply
    36,878.92x = 55,318.76 × 9,176.92
  4. Step 4: Simplify right side
    36,878.92x = 507,655,835.02
  5. Step 5: Solve for x
    x = 507,655,835.02/36,878.92
  6. Step 6: Final answer
    x = 13,765.47

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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.