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Finding the Fourth Proportional to 64,391.93, 88,863.17 and 37,530.11

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Solution

The fourth proportional to 64,391.93, 88,863.17 and 37,530.11 is: 51,792.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,391.93 : 88,863.17 = 37,530.11 : x
  2. Step 2: Convert to fraction form
    64,391.93/88,863.17 = 37,530.11/x
  3. Step 3: Cross multiply
    64,391.93x = 88,863.17 × 37,530.11
  4. Step 4: Simplify right side
    64,391.93x = 3,335,043,913.08
  5. Step 5: Solve for x
    x = 3,335,043,913.08/64,391.93
  6. Step 6: Final answer
    x = 51,792.89

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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.