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Finding the Fourth Proportional to 37,998.92, 56,912.72 and 18,292.28

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Solution

The fourth proportional to 37,998.92, 56,912.72 and 18,292.28 is: 27,397.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,998.92 : 56,912.72 = 18,292.28 : x
  2. Step 2: Convert to fraction form
    37,998.92/56,912.72 = 18,292.28/x
  3. Step 3: Cross multiply
    37,998.92x = 56,912.72 × 18,292.28
  4. Step 4: Simplify right side
    37,998.92x = 1,041,063,409.80
  5. Step 5: Solve for x
    x = 1,041,063,409.80/37,998.92
  6. Step 6: Final answer
    x = 27,397.18

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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.