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Finding the Fourth Proportional to 55,362.18, 82,992.15 and 22,074.20

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Solution

The fourth proportional to 55,362.18, 82,992.15 and 22,074.20 is: 33,090.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,362.18 : 82,992.15 = 22,074.20 : x
  2. Step 2: Convert to fraction form
    55,362.18/82,992.15 = 22,074.20/x
  3. Step 3: Cross multiply
    55,362.18x = 82,992.15 × 22,074.20
  4. Step 4: Simplify right side
    55,362.18x = 1,831,984,902.57
  5. Step 5: Solve for x
    x = 1,831,984,902.57/55,362.18
  6. Step 6: Final answer
    x = 33,090.91

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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.