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Finding the Fourth Proportional to 64,661.76, 97,044.48 and 33,505.92

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Solution

The fourth proportional to 64,661.76, 97,044.48 and 33,505.92 is: 50,285.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,661.76 : 97,044.48 = 33,505.92 : x
  2. Step 2: Convert to fraction form
    64,661.76/97,044.48 = 33,505.92/x
  3. Step 3: Cross multiply
    64,661.76x = 97,044.48 × 33,505.92
  4. Step 4: Simplify right side
    64,661.76x = 3,251,564,583.32
  5. Step 5: Solve for x
    x = 3,251,564,583.32/64,661.76
  6. Step 6: Final answer
    x = 50,285.74

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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.