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Finding the Fourth Proportional to 64,343.37, 88,791.71 and 35,661.81

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Solution

The fourth proportional to 64,343.37, 88,791.71 and 35,661.81 is: 49,212.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,343.37 : 88,791.71 = 35,661.81 : x
  2. Step 2: Convert to fraction form
    64,343.37/88,791.71 = 35,661.81/x
  3. Step 3: Cross multiply
    64,343.37x = 88,791.71 × 35,661.81
  4. Step 4: Simplify right side
    64,343.37x = 3,166,472,913.29
  5. Step 5: Solve for x
    x = 3,166,472,913.29/64,343.37
  6. Step 6: Final answer
    x = 49,212.11

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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.