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Finding the Fourth Proportional to 74,009.36, 110,997.29 and 33,989.87

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Solution

The fourth proportional to 74,009.36, 110,997.29 and 33,989.87 is: 50,977.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,009.36 : 110,997.29 = 33,989.87 : x
  2. Step 2: Convert to fraction form
    74,009.36/110,997.29 = 33,989.87/x
  3. Step 3: Cross multiply
    74,009.36x = 110,997.29 × 33,989.87
  4. Step 4: Simplify right side
    74,009.36x = 3,772,783,264.93
  5. Step 5: Solve for x
    x = 3,772,783,264.93/74,009.36
  6. Step 6: Final answer
    x = 50,977.11

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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.