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Finding the Fourth Proportional to 44,613.52, 66,931.52 and 31,491.52

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Solution

The fourth proportional to 44,613.52, 66,931.52 and 31,491.52 is: 47,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,613.52 : 66,931.52 = 31,491.52 : x
  2. Step 2: Convert to fraction form
    44,613.52/66,931.52 = 31,491.52/x
  3. Step 3: Cross multiply
    44,613.52x = 66,931.52 × 31,491.52
  4. Step 4: Simplify right side
    44,613.52x = 2,107,774,975.92
  5. Step 5: Solve for x
    x = 2,107,774,975.92/44,613.52
  6. Step 6: Final answer
    x = 47,245.21

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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.