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Finding the Fourth Proportional to 50,402.89, 69,555.45 and 27,741.40

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Solution

The fourth proportional to 50,402.89, 69,555.45 and 27,741.40 is: 38,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,402.89 : 69,555.45 = 27,741.40 : x
  2. Step 2: Convert to fraction form
    50,402.89/69,555.45 = 27,741.40/x
  3. Step 3: Cross multiply
    50,402.89x = 69,555.45 × 27,741.40
  4. Step 4: Simplify right side
    50,402.89x = 1,929,565,490.77
  5. Step 5: Solve for x
    x = 1,929,565,490.77/50,402.89
  6. Step 6: Final answer
    x = 38,282.83

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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.