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Finding the Fourth Proportional to 66,500.82, 91,707.12 and 44,746.11

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Solution

The fourth proportional to 66,500.82, 91,707.12 and 44,746.11 is: 61,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,500.82 : 91,707.12 = 44,746.11 : x
  2. Step 2: Convert to fraction form
    66,500.82/91,707.12 = 44,746.11/x
  3. Step 3: Cross multiply
    66,500.82x = 91,707.12 × 44,746.11
  4. Step 4: Simplify right side
    66,500.82x = 4,103,536,879.30
  5. Step 5: Solve for x
    x = 4,103,536,879.30/66,500.82
  6. Step 6: Final answer
    x = 61,706.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.