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Finding the Fourth Proportional to 38,189.44, 52,700.44 and 21,193.62

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Solution

The fourth proportional to 38,189.44, 52,700.44 and 21,193.62 is: 29,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189.44 : 52,700.44 = 21,193.62 : x
  2. Step 2: Convert to fraction form
    38,189.44/52,700.44 = 21,193.62/x
  3. Step 3: Cross multiply
    38,189.44x = 52,700.44 × 21,193.62
  4. Step 4: Simplify right side
    38,189.44x = 1,116,913,099.19
  5. Step 5: Solve for x
    x = 1,116,913,099.19/38,189.44
  6. Step 6: Final answer
    x = 29,246.65

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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.