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Finding the Fourth Proportional to 17,775.31, 26,644.02 and 13,379.17

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Solution

The fourth proportional to 17,775.31, 26,644.02 and 13,379.17 is: 20,054.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,775.31 : 26,644.02 = 13,379.17 : x
  2. Step 2: Convert to fraction form
    17,775.31/26,644.02 = 13,379.17/x
  3. Step 3: Cross multiply
    17,775.31x = 26,644.02 × 13,379.17
  4. Step 4: Simplify right side
    17,775.31x = 356,474,873.06
  5. Step 5: Solve for x
    x = 356,474,873.06/17,775.31
  6. Step 6: Final answer
    x = 20,054.50

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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.