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Finding the Fourth Proportional to 65,747.76, 98,491.83 and 43,493.82

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Solution

The fourth proportional to 65,747.76, 98,491.83 and 43,493.82 is: 65,154.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,747.76 : 98,491.83 = 43,493.82 : x
  2. Step 2: Convert to fraction form
    65,747.76/98,491.83 = 43,493.82/x
  3. Step 3: Cross multiply
    65,747.76x = 98,491.83 × 43,493.82
  4. Step 4: Simplify right side
    65,747.76x = 4,283,785,925.49
  5. Step 5: Solve for x
    x = 4,283,785,925.49/65,747.76
  6. Step 6: Final answer
    x = 65,154.86

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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.