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Finding the Fourth Proportional to 22,486.99, 33,730.49 and 6,904.62

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Solution

The fourth proportional to 22,486.99, 33,730.49 and 6,904.62 is: 10,356.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486.99 : 33,730.49 = 6,904.62 : x
  2. Step 2: Convert to fraction form
    22,486.99/33,730.49 = 6,904.62/x
  3. Step 3: Cross multiply
    22,486.99x = 33,730.49 × 6,904.62
  4. Step 4: Simplify right side
    22,486.99x = 232,896,109.13
  5. Step 5: Solve for x
    x = 232,896,109.13/22,486.99
  6. Step 6: Final answer
    x = 10,356.93

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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.