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Finding the Fourth Proportional to 26,525.37, 39,781.88 and 7,800.39

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Solution

The fourth proportional to 26,525.37, 39,781.88 and 7,800.39 is: 11,698.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,525.37 : 39,781.88 = 7,800.39 : x
  2. Step 2: Convert to fraction form
    26,525.37/39,781.88 = 7,800.39/x
  3. Step 3: Cross multiply
    26,525.37x = 39,781.88 × 7,800.39
  4. Step 4: Simplify right side
    26,525.37x = 310,314,259.13
  5. Step 5: Solve for x
    x = 310,314,259.13/26,525.37
  6. Step 6: Final answer
    x = 11,698.77

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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.