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Finding the Fourth Proportional to 26,135.40, 39,203.10 and 25,114.80

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Solution

The fourth proportional to 26,135.40, 39,203.10 and 25,114.80 is: 37,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,135.40 : 39,203.10 = 25,114.80 : x
  2. Step 2: Convert to fraction form
    26,135.40/39,203.10 = 25,114.80/x
  3. Step 3: Cross multiply
    26,135.40x = 39,203.10 × 25,114.80
  4. Step 4: Simplify right side
    26,135.40x = 984,578,015.88
  5. Step 5: Solve for x
    x = 984,578,015.88/26,135.40
  6. Step 6: Final answer
    x = 37,672.20

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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.