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Finding the Fourth Proportional to 64,869.63, 97,269.83 and 33,266.87

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Solution

The fourth proportional to 64,869.63, 97,269.83 and 33,266.87 is: 49,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,869.63 : 97,269.83 = 33,266.87 : x
  2. Step 2: Convert to fraction form
    64,869.63/97,269.83 = 33,266.87/x
  3. Step 3: Cross multiply
    64,869.63x = 97,269.83 × 33,266.87
  4. Step 4: Simplify right side
    64,869.63x = 3,235,862,626.36
  5. Step 5: Solve for x
    x = 3,235,862,626.36/64,869.63
  6. Step 6: Final answer
    x = 49,882.55

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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.