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Finding the Fourth Proportional to 16,561.52, 24,834.99 and 8,768.51

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Solution

The fourth proportional to 16,561.52, 24,834.99 and 8,768.51 is: 13,148.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,561.52 : 24,834.99 = 8,768.51 : x
  2. Step 2: Convert to fraction form
    16,561.52/24,834.99 = 8,768.51/x
  3. Step 3: Cross multiply
    16,561.52x = 24,834.99 × 8,768.51
  4. Step 4: Simplify right side
    16,561.52x = 217,765,858.16
  5. Step 5: Solve for x
    x = 217,765,858.16/16,561.52
  6. Step 6: Final answer
    x = 13,148.91

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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.