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Finding the Fourth Proportional to 16,605.78, 24,908.82 and 4,760.94

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Solution

The fourth proportional to 16,605.78, 24,908.82 and 4,760.94 is: 7,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,605.78 : 24,908.82 = 4,760.94 : x
  2. Step 2: Convert to fraction form
    16,605.78/24,908.82 = 4,760.94/x
  3. Step 3: Cross multiply
    16,605.78x = 24,908.82 × 4,760.94
  4. Step 4: Simplify right side
    16,605.78x = 118,589,397.49
  5. Step 5: Solve for x
    x = 118,589,397.49/16,605.78
  6. Step 6: Final answer
    x = 7,141.45

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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.