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Finding the Fourth Proportional to 67,817.85, 101,715.02 and 17,898.36

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Solution

The fourth proportional to 67,817.85, 101,715.02 and 17,898.36 is: 26,844.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,817.85 : 101,715.02 = 17,898.36 : x
  2. Step 2: Convert to fraction form
    67,817.85/101,715.02 = 17,898.36/x
  3. Step 3: Cross multiply
    67,817.85x = 101,715.02 × 17,898.36
  4. Step 4: Simplify right side
    67,817.85x = 1,820,532,045.37
  5. Step 5: Solve for x
    x = 1,820,532,045.37/67,817.85
  6. Step 6: Final answer
    x = 26,844.44

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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.