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Finding the Fourth Proportional to 66,992.96, 100,341.81 and 37,337.24

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Solution

The fourth proportional to 66,992.96, 100,341.81 and 37,337.24 is: 55,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,992.96 : 100,341.81 = 37,337.24 : x
  2. Step 2: Convert to fraction form
    66,992.96/100,341.81 = 37,337.24/x
  3. Step 3: Cross multiply
    66,992.96x = 100,341.81 × 37,337.24
  4. Step 4: Simplify right side
    66,992.96x = 3,746,485,740.30
  5. Step 5: Solve for x
    x = 3,746,485,740.30/66,992.96
  6. Step 6: Final answer
    x = 55,923.58

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Why These Related Problems?

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