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Finding the Fourth Proportional to 26,607.69, 39,914.62 and 8,839.94

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Solution

The fourth proportional to 26,607.69, 39,914.62 and 8,839.94 is: 13,260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,607.69 : 39,914.62 = 8,839.94 : x
  2. Step 2: Convert to fraction form
    26,607.69/39,914.62 = 8,839.94/x
  3. Step 3: Cross multiply
    26,607.69x = 39,914.62 × 8,839.94
  4. Step 4: Simplify right side
    26,607.69x = 352,842,624.25
  5. Step 5: Solve for x
    x = 352,842,624.25/26,607.69
  6. Step 6: Final answer
    x = 13,260.93

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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.