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Finding the Fourth Proportional to 26,177.60, 39,201.60 and 16,803.20

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Solution

The fourth proportional to 26,177.60, 39,201.60 and 16,803.20 is: 25,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,177.60 : 39,201.60 = 16,803.20 : x
  2. Step 2: Convert to fraction form
    26,177.60/39,201.60 = 16,803.20/x
  3. Step 3: Cross multiply
    26,177.60x = 39,201.60 × 16,803.20
  4. Step 4: Simplify right side
    26,177.60x = 658,712,325.12
  5. Step 5: Solve for x
    x = 658,712,325.12/26,177.60
  6. Step 6: Final answer
    x = 25,163.21

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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.