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Finding the Fourth Proportional to 50,120.32, 69,166.03 and 27,764.32

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Solution

The fourth proportional to 50,120.32, 69,166.03 and 27,764.32 is: 38,314.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,120.32 : 69,166.03 = 27,764.32 : x
  2. Step 2: Convert to fraction form
    50,120.32/69,166.03 = 27,764.32/x
  3. Step 3: Cross multiply
    50,120.32x = 69,166.03 × 27,764.32
  4. Step 4: Simplify right side
    50,120.32x = 1,920,347,444.22
  5. Step 5: Solve for x
    x = 1,920,347,444.22/50,120.32
  6. Step 6: Final answer
    x = 38,314.75

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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.