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Finding the Fourth Proportional to 18,293.84, 27,440.56 and 4,442.84

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Solution

The fourth proportional to 18,293.84, 27,440.56 and 4,442.84 is: 6,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.84 : 27,440.56 = 4,442.84 : x
  2. Step 2: Convert to fraction form
    18,293.84/27,440.56 = 4,442.84/x
  3. Step 3: Cross multiply
    18,293.84x = 27,440.56 × 4,442.84
  4. Step 4: Simplify right side
    18,293.84x = 121,914,017.59
  5. Step 5: Solve for x
    x = 121,914,017.59/18,293.84
  6. Step 6: Final answer
    x = 6,664.21

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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.