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Finding the Fourth Proportional to 40,000.40, 55,200.60 and 22,096.40

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Solution

The fourth proportional to 40,000.40, 55,200.60 and 22,096.40 is: 30,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,000.40 : 55,200.60 = 22,096.40 : x
  2. Step 2: Convert to fraction form
    40,000.40/55,200.60 = 22,096.40/x
  3. Step 3: Cross multiply
    40,000.40x = 55,200.60 × 22,096.40
  4. Step 4: Simplify right side
    40,000.40x = 1,219,734,537.84
  5. Step 5: Solve for x
    x = 1,219,734,537.84/40,000.40
  6. Step 6: Final answer
    x = 30,493.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.