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Finding the Fourth Proportional to 37,999.81, 56,914.06 and 18,293.12

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Solution

The fourth proportional to 37,999.81, 56,914.06 and 18,293.12 is: 27,398.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,999.81 : 56,914.06 = 18,293.12 : x
  2. Step 2: Convert to fraction form
    37,999.81/56,914.06 = 18,293.12/x
  3. Step 3: Cross multiply
    37,999.81x = 56,914.06 × 18,293.12
  4. Step 4: Simplify right side
    37,999.81x = 1,041,135,729.27
  5. Step 5: Solve for x
    x = 1,041,135,729.27/37,999.81
  6. Step 6: Final answer
    x = 27,398.45

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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.