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Finding the Fourth Proportional to 38,842.49, 53,611.49 and 27,500.20

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Solution

The fourth proportional to 38,842.49, 53,611.49 and 27,500.20 is: 37,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,842.49 : 53,611.49 = 27,500.20 : x
  2. Step 2: Convert to fraction form
    38,842.49/53,611.49 = 27,500.20/x
  3. Step 3: Cross multiply
    38,842.49x = 53,611.49 × 27,500.20
  4. Step 4: Simplify right side
    38,842.49x = 1,474,326,697.30
  5. Step 5: Solve for x
    x = 1,474,326,697.30/38,842.49
  6. Step 6: Final answer
    x = 37,956.54

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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.