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Finding the Fourth Proportional to 50,255.76, 69,352.94 and 27,899.76

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Solution

The fourth proportional to 50,255.76, 69,352.94 and 27,899.76 is: 38,501.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,255.76 : 69,352.94 = 27,899.76 : x
  2. Step 2: Convert to fraction form
    50,255.76/69,352.94 = 27,899.76/x
  3. Step 3: Cross multiply
    50,255.76x = 69,352.94 × 27,899.76
  4. Step 4: Simplify right side
    50,255.76x = 1,934,930,381.29
  5. Step 5: Solve for x
    x = 1,934,930,381.29/50,255.76
  6. Step 6: Final answer
    x = 38,501.66

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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.