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Finding the Fourth Proportional to 18,046.67, 24,904.44 and 9,980.87

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Solution

The fourth proportional to 18,046.67, 24,904.44 and 9,980.87 is: 13,773.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,046.67 : 24,904.44 = 9,980.87 : x
  2. Step 2: Convert to fraction form
    18,046.67/24,904.44 = 9,980.87/x
  3. Step 3: Cross multiply
    18,046.67x = 24,904.44 × 9,980.87
  4. Step 4: Simplify right side
    18,046.67x = 248,567,853.54
  5. Step 5: Solve for x
    x = 248,567,853.54/18,046.67
  6. Step 6: Final answer
    x = 13,773.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.