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Finding the Fourth Proportional to 22,609.62, 31,201.37 and 12,539.00

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Solution

The fourth proportional to 22,609.62, 31,201.37 and 12,539.00 is: 17,303.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.62 : 31,201.37 = 12,539.00 : x
  2. Step 2: Convert to fraction form
    22,609.62/31,201.37 = 12,539.00/x
  3. Step 3: Cross multiply
    22,609.62x = 31,201.37 × 12,539.00
  4. Step 4: Simplify right side
    22,609.62x = 391,233,759.73
  5. Step 5: Solve for x
    x = 391,233,759.73/22,609.62
  6. Step 6: Final answer
    x = 17,303.86

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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.