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Finding the Fourth Proportional to 50,100.66, 69,138.80 and 27,439.66

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Solution

The fourth proportional to 50,100.66, 69,138.80 and 27,439.66 is: 37,866.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,100.66 : 69,138.80 = 27,439.66 : x
  2. Step 2: Convert to fraction form
    50,100.66/69,138.80 = 27,439.66/x
  3. Step 3: Cross multiply
    50,100.66x = 69,138.80 × 27,439.66
  4. Step 4: Simplify right side
    50,100.66x = 1,897,145,164.81
  5. Step 5: Solve for x
    x = 1,897,145,164.81/50,100.66
  6. Step 6: Final answer
    x = 37,866.67

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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.