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Finding the Fourth Proportional to 59,974.51, 89,952.51 and 20,522.55

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Solution

The fourth proportional to 59,974.51, 89,952.51 and 20,522.55 is: 30,780.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,974.51 : 89,952.51 = 20,522.55 : x
  2. Step 2: Convert to fraction form
    59,974.51/89,952.51 = 20,522.55/x
  3. Step 3: Cross multiply
    59,974.51x = 89,952.51 × 20,522.55
  4. Step 4: Simplify right side
    59,974.51x = 1,846,054,884.10
  5. Step 5: Solve for x
    x = 1,846,054,884.10/59,974.51
  6. Step 6: Final answer
    x = 30,780.66

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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.