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Finding the Fourth Proportional to 16,655.58, 24,983.10 and 7,896.78

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Solution

The fourth proportional to 16,655.58, 24,983.10 and 7,896.78 is: 11,845.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,655.58 : 24,983.10 = 7,896.78 : x
  2. Step 2: Convert to fraction form
    16,655.58/24,983.10 = 7,896.78/x
  3. Step 3: Cross multiply
    16,655.58x = 24,983.10 × 7,896.78
  4. Step 4: Simplify right side
    16,655.58x = 197,286,044.42
  5. Step 5: Solve for x
    x = 197,286,044.42/16,655.58
  6. Step 6: Final answer
    x = 11,845.04

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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.