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Finding the Fourth Proportional to 26,103.40, 39,212.70 and 25,124.20

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Solution

The fourth proportional to 26,103.40, 39,212.70 and 25,124.20 is: 37,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,103.40 : 39,212.70 = 25,124.20 : x
  2. Step 2: Convert to fraction form
    26,103.40/39,212.70 = 25,124.20/x
  3. Step 3: Cross multiply
    26,103.40x = 39,212.70 × 25,124.20
  4. Step 4: Simplify right side
    26,103.40x = 985,187,717.34
  5. Step 5: Solve for x
    x = 985,187,717.34/26,103.40
  6. Step 6: Final answer
    x = 37,741.74

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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.