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Finding the Fourth Proportional to 26,523.79, 39,786.14 and 8,994.07

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Solution

The fourth proportional to 26,523.79, 39,786.14 and 8,994.07 is: 13,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,523.79 : 39,786.14 = 8,994.07 : x
  2. Step 2: Convert to fraction form
    26,523.79/39,786.14 = 8,994.07/x
  3. Step 3: Cross multiply
    26,523.79x = 39,786.14 × 8,994.07
  4. Step 4: Simplify right side
    26,523.79x = 357,839,084.29
  5. Step 5: Solve for x
    x = 357,839,084.29/26,523.79
  6. Step 6: Final answer
    x = 13,491.25

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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.