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Finding the Fourth Proportional to 18,084.74, 27,124.04 and 4,934.04

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Solution

The fourth proportional to 18,084.74, 27,124.04 and 4,934.04 is: 7,400.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.74 : 27,124.04 = 4,934.04 : x
  2. Step 2: Convert to fraction form
    18,084.74/27,124.04 = 4,934.04/x
  3. Step 3: Cross multiply
    18,084.74x = 27,124.04 × 4,934.04
  4. Step 4: Simplify right side
    18,084.74x = 133,831,071.35
  5. Step 5: Solve for x
    x = 133,831,071.35/18,084.74
  6. Step 6: Final answer
    x = 7,400.22

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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.