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Finding the Fourth Proportional to 44,613.54, 66,931.52 and 31,491.54

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Solution

The fourth proportional to 44,613.54, 66,931.52 and 31,491.54 is: 47,245.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,613.54 : 66,931.52 = 31,491.54 : x
  2. Step 2: Convert to fraction form
    44,613.54/66,931.52 = 31,491.54/x
  3. Step 3: Cross multiply
    44,613.54x = 66,931.52 × 31,491.54
  4. Step 4: Simplify right side
    44,613.54x = 2,107,776,481.88
  5. Step 5: Solve for x
    x = 2,107,776,481.88/44,613.54
  6. Step 6: Final answer
    x = 47,245.22

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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.