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Finding the Fourth Proportional to 26,391.22, 39,592.59 and 8,860.59

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Solution

The fourth proportional to 26,391.22, 39,592.59 and 8,860.59 is: 13,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.22 : 39,592.59 = 8,860.59 : x
  2. Step 2: Convert to fraction form
    26,391.22/39,592.59 = 8,860.59/x
  3. Step 3: Cross multiply
    26,391.22x = 39,592.59 × 8,860.59
  4. Step 4: Simplify right side
    26,391.22x = 350,813,509.07
  5. Step 5: Solve for x
    x = 350,813,509.07/26,391.22
  6. Step 6: Final answer
    x = 13,292.81

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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.