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Finding the Fourth Proportional to 16,477.94, 24,721.13 and 4,791.17

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Solution

The fourth proportional to 16,477.94, 24,721.13 and 4,791.17 is: 7,187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,477.94 : 24,721.13 = 4,791.17 : x
  2. Step 2: Convert to fraction form
    16,477.94/24,721.13 = 4,791.17/x
  3. Step 3: Cross multiply
    16,477.94x = 24,721.13 × 4,791.17
  4. Step 4: Simplify right side
    16,477.94x = 118,443,024.79
  5. Step 5: Solve for x
    x = 118,443,024.79/16,477.94
  6. Step 6: Final answer
    x = 7,187.97

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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.