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Finding the Fourth Proportional to 59,621.80, 89,311.93 and 27,555.31

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Solution

The fourth proportional to 59,621.80, 89,311.93 and 27,555.31 is: 41,277.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,621.80 : 89,311.93 = 27,555.31 : x
  2. Step 2: Convert to fraction form
    59,621.80/89,311.93 = 27,555.31/x
  3. Step 3: Cross multiply
    59,621.80x = 89,311.93 × 27,555.31
  4. Step 4: Simplify right side
    59,621.80x = 2,461,017,780.07
  5. Step 5: Solve for x
    x = 2,461,017,780.07/59,621.80
  6. Step 6: Final answer
    x = 41,277.15

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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.