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Finding the Fourth Proportional to 15,054.42, 20,773.02 and 8,338.38

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Solution

The fourth proportional to 15,054.42, 20,773.02 and 8,338.38 is: 11,505.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054.42 : 20,773.02 = 8,338.38 : x
  2. Step 2: Convert to fraction form
    15,054.42/20,773.02 = 8,338.38/x
  3. Step 3: Cross multiply
    15,054.42x = 20,773.02 × 8,338.38
  4. Step 4: Simplify right side
    15,054.42x = 173,213,334.51
  5. Step 5: Solve for x
    x = 173,213,334.51/15,054.42
  6. Step 6: Final answer
    x = 11,505.81

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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.