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Finding the Fourth Proportional to 59,810.31, 89,490.89 and 36,621.23

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Solution

The fourth proportional to 59,810.31, 89,490.89 and 36,621.23 is: 54,794.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,810.31 : 89,490.89 = 36,621.23 : x
  2. Step 2: Convert to fraction form
    59,810.31/89,490.89 = 36,621.23/x
  3. Step 3: Cross multiply
    59,810.31x = 89,490.89 × 36,621.23
  4. Step 4: Simplify right side
    59,810.31x = 3,277,266,109.69
  5. Step 5: Solve for x
    x = 3,277,266,109.69/59,810.31
  6. Step 6: Final answer
    x = 54,794.33

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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.