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Finding the Fourth Proportional to 64,339.56, 96,549.12 and 31,062.96

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Solution

The fourth proportional to 64,339.56, 96,549.12 and 31,062.96 is: 46,613.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,339.56 : 96,549.12 = 31,062.96 : x
  2. Step 2: Convert to fraction form
    64,339.56/96,549.12 = 31,062.96/x
  3. Step 3: Cross multiply
    64,339.56x = 96,549.12 × 31,062.96
  4. Step 4: Simplify right side
    64,339.56x = 2,999,101,452.60
  5. Step 5: Solve for x
    x = 2,999,101,452.60/64,339.56
  6. Step 6: Final answer
    x = 46,613.65

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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.