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Finding the Fourth Proportional to 50,757.56, 70,047.30 and 27,788.99

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Solution

The fourth proportional to 50,757.56, 70,047.30 and 27,788.99 is: 38,349.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,757.56 : 70,047.30 = 27,788.99 : x
  2. Step 2: Convert to fraction form
    50,757.56/70,047.30 = 27,788.99/x
  3. Step 3: Cross multiply
    50,757.56x = 70,047.30 × 27,788.99
  4. Step 4: Simplify right side
    50,757.56x = 1,946,543,368.99
  5. Step 5: Solve for x
    x = 1,946,543,368.99/50,757.56
  6. Step 6: Final answer
    x = 38,349.83

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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.