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Finding the Fourth Proportional to 26,640.62, 39,978.76 and 11,058.24

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Solution

The fourth proportional to 26,640.62, 39,978.76 and 11,058.24 is: 16,594.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,640.62 : 39,978.76 = 11,058.24 : x
  2. Step 2: Convert to fraction form
    26,640.62/39,978.76 = 11,058.24/x
  3. Step 3: Cross multiply
    26,640.62x = 39,978.76 × 11,058.24
  4. Step 4: Simplify right side
    26,640.62x = 442,094,722.98
  5. Step 5: Solve for x
    x = 442,094,722.98/26,640.62
  6. Step 6: Final answer
    x = 16,594.76

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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.