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Finding the Fourth Proportional to 59,918.99, 89,896.43 and 17,800.47

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Solution

The fourth proportional to 59,918.99, 89,896.43 and 17,800.47 is: 26,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,918.99 : 89,896.43 = 17,800.47 : x
  2. Step 2: Convert to fraction form
    59,918.99/89,896.43 = 17,800.47/x
  3. Step 3: Cross multiply
    59,918.99x = 89,896.43 × 17,800.47
  4. Step 4: Simplify right side
    59,918.99x = 1,600,198,749.82
  5. Step 5: Solve for x
    x = 1,600,198,749.82/59,918.99
  6. Step 6: Final answer
    x = 26,706.04

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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.