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Finding the Fourth Proportional to 59,513.99, 89,208.66 and 20,057.47

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Solution

The fourth proportional to 59,513.99, 89,208.66 and 20,057.47 is: 30,065.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,513.99 : 89,208.66 = 20,057.47 : x
  2. Step 2: Convert to fraction form
    59,513.99/89,208.66 = 20,057.47/x
  3. Step 3: Cross multiply
    59,513.99x = 89,208.66 × 20,057.47
  4. Step 4: Simplify right side
    59,513.99x = 1,789,299,475.36
  5. Step 5: Solve for x
    x = 1,789,299,475.36/59,513.99
  6. Step 6: Final answer
    x = 30,065.19

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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.