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Finding the Fourth Proportional to 18,852.92, 28,274.71 and 6,372.68

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Solution

The fourth proportional to 18,852.92, 28,274.71 and 6,372.68 is: 9,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852.92 : 28,274.71 = 6,372.68 : x
  2. Step 2: Convert to fraction form
    18,852.92/28,274.71 = 6,372.68/x
  3. Step 3: Cross multiply
    18,852.92x = 28,274.71 × 6,372.68
  4. Step 4: Simplify right side
    18,852.92x = 180,185,521.62
  5. Step 5: Solve for x
    x = 180,185,521.62/18,852.92
  6. Step 6: Final answer
    x = 9,557.43

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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.