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Finding the Fourth Proportional to 59,399.97, 89,113.25 and 19,956.01

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Solution

The fourth proportional to 59,399.97, 89,113.25 and 19,956.01 is: 29,938.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,399.97 : 89,113.25 = 19,956.01 : x
  2. Step 2: Convert to fraction form
    59,399.97/89,113.25 = 19,956.01/x
  3. Step 3: Cross multiply
    59,399.97x = 89,113.25 × 19,956.01
  4. Step 4: Simplify right side
    59,399.97x = 1,778,344,908.13
  5. Step 5: Solve for x
    x = 1,778,344,908.13/59,399.97
  6. Step 6: Final answer
    x = 29,938.48

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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.