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Finding the Fourth Proportional to 50,428.59, 69,590.88 and 27,767.11

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Solution

The fourth proportional to 50,428.59, 69,590.88 and 27,767.11 is: 38,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,428.59 : 69,590.88 = 27,767.11 : x
  2. Step 2: Convert to fraction form
    50,428.59/69,590.88 = 27,767.11/x
  3. Step 3: Cross multiply
    50,428.59x = 69,590.88 × 27,767.11
  4. Step 4: Simplify right side
    50,428.59x = 1,932,337,619.96
  5. Step 5: Solve for x
    x = 1,932,337,619.96/50,428.59
  6. Step 6: Final answer
    x = 38,318.30

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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.