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Finding the Fourth Proportional to 17,937.54, 26,905.86 and 8,584.20

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Solution

The fourth proportional to 17,937.54, 26,905.86 and 8,584.20 is: 12,876.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,937.54 : 26,905.86 = 8,584.20 : x
  2. Step 2: Convert to fraction form
    17,937.54/26,905.86 = 8,584.20/x
  3. Step 3: Cross multiply
    17,937.54x = 26,905.86 × 8,584.20
  4. Step 4: Simplify right side
    17,937.54x = 230,965,283.41
  5. Step 5: Solve for x
    x = 230,965,283.41/17,937.54
  6. Step 6: Final answer
    x = 12,876.08

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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.