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Finding the Fourth Proportional to 22,710.69, 34,055.24 and 7,917.80

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Solution

The fourth proportional to 22,710.69, 34,055.24 and 7,917.80 is: 11,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,710.69 : 34,055.24 = 7,917.80 : x
  2. Step 2: Convert to fraction form
    22,710.69/34,055.24 = 7,917.80/x
  3. Step 3: Cross multiply
    22,710.69x = 34,055.24 × 7,917.80
  4. Step 4: Simplify right side
    22,710.69x = 269,642,369.41
  5. Step 5: Solve for x
    x = 269,642,369.41/22,710.69
  6. Step 6: Final answer
    x = 11,872.93

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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.