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Finding the Fourth Proportional to 18,483.32, 27,737.22 and 6,796.64

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Solution

The fourth proportional to 18,483.32, 27,737.22 and 6,796.64 is: 10,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.32 : 27,737.22 = 6,796.64 : x
  2. Step 2: Convert to fraction form
    18,483.32/27,737.22 = 6,796.64/x
  3. Step 3: Cross multiply
    18,483.32x = 27,737.22 × 6,796.64
  4. Step 4: Simplify right side
    18,483.32x = 188,519,898.94
  5. Step 5: Solve for x
    x = 188,519,898.94/18,483.32
  6. Step 6: Final answer
    x = 10,199.46

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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.