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Finding the Fourth Proportional to 26,486.37, 39,729.59 and 9,850.59

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Solution

The fourth proportional to 26,486.37, 39,729.59 and 9,850.59 is: 14,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,486.37 : 39,729.59 = 9,850.59 : x
  2. Step 2: Convert to fraction form
    26,486.37/39,729.59 = 9,850.59/x
  3. Step 3: Cross multiply
    26,486.37x = 39,729.59 × 9,850.59
  4. Step 4: Simplify right side
    26,486.37x = 391,359,852.71
  5. Step 5: Solve for x
    x = 391,359,852.71/26,486.37
  6. Step 6: Final answer
    x = 14,775.90

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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.