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Finding the Fourth Proportional to 18,524.66, 27,751.91 and 9,153.72

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Solution

The fourth proportional to 18,524.66, 27,751.91 and 9,153.72 is: 13,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.66 : 27,751.91 = 9,153.72 : x
  2. Step 2: Convert to fraction form
    18,524.66/27,751.91 = 9,153.72/x
  3. Step 3: Cross multiply
    18,524.66x = 27,751.91 × 9,153.72
  4. Step 4: Simplify right side
    18,524.66x = 254,033,167.84
  5. Step 5: Solve for x
    x = 254,033,167.84/18,524.66
  6. Step 6: Final answer
    x = 13,713.25

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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.