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Finding the Fourth Proportional to 26,595.20, 39,835.20 and 23,139.20

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Solution

The fourth proportional to 26,595.20, 39,835.20 and 23,139.20 is: 34,658.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,595.20 : 39,835.20 = 23,139.20 : x
  2. Step 2: Convert to fraction form
    26,595.20/39,835.20 = 23,139.20/x
  3. Step 3: Cross multiply
    26,595.20x = 39,835.20 × 23,139.20
  4. Step 4: Simplify right side
    26,595.20x = 921,754,659.84
  5. Step 5: Solve for x
    x = 921,754,659.84/26,595.20
  6. Step 6: Final answer
    x = 34,658.69

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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.