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Finding the Fourth Proportional to 26,889.60, 40,257.60 and 24,124.80

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Solution

The fourth proportional to 26,889.60, 40,257.60 and 24,124.80 is: 36,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,889.60 : 40,257.60 = 24,124.80 : x
  2. Step 2: Convert to fraction form
    26,889.60/40,257.60 = 24,124.80/x
  3. Step 3: Cross multiply
    26,889.60x = 40,257.60 × 24,124.80
  4. Step 4: Simplify right side
    26,889.60x = 971,206,548.48
  5. Step 5: Solve for x
    x = 971,206,548.48/26,889.60
  6. Step 6: Final answer
    x = 36,118.30

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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.