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Finding the Fourth Proportional to 26,604.59, 39,907.72 and 9,961.45

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Solution

The fourth proportional to 26,604.59, 39,907.72 and 9,961.45 is: 14,942.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,604.59 : 39,907.72 = 9,961.45 : x
  2. Step 2: Convert to fraction form
    26,604.59/39,907.72 = 9,961.45/x
  3. Step 3: Cross multiply
    26,604.59x = 39,907.72 × 9,961.45
  4. Step 4: Simplify right side
    26,604.59x = 397,538,670.08
  5. Step 5: Solve for x
    x = 397,538,670.08/26,604.59
  6. Step 6: Final answer
    x = 14,942.49

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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.