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Finding the Fourth Proportional to 64,894.79, 97,431.82 and 44,854.91

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Solution

The fourth proportional to 64,894.79, 97,431.82 and 44,854.91 is: 67,344.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,894.79 : 97,431.82 = 44,854.91 : x
  2. Step 2: Convert to fraction form
    64,894.79/97,431.82 = 44,854.91/x
  3. Step 3: Cross multiply
    64,894.79x = 97,431.82 × 44,854.91
  4. Step 4: Simplify right side
    64,894.79x = 4,370,295,517.24
  5. Step 5: Solve for x
    x = 4,370,295,517.24/64,894.79
  6. Step 6: Final answer
    x = 67,344.33

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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.