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Finding the Fourth Proportional to 18,374.98, 27,560.98 and 5,891.65

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Solution

The fourth proportional to 18,374.98, 27,560.98 and 5,891.65 is: 8,837.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374.98 : 27,560.98 = 5,891.65 : x
  2. Step 2: Convert to fraction form
    18,374.98/27,560.98 = 5,891.65/x
  3. Step 3: Cross multiply
    18,374.98x = 27,560.98 × 5,891.65
  4. Step 4: Simplify right side
    18,374.98x = 162,379,647.82
  5. Step 5: Solve for x
    x = 162,379,647.82/18,374.98
  6. Step 6: Final answer
    x = 8,837.00

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1.5x scale

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.