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Finding the Fourth Proportional to 50,207.62, 69,265.77 and 28,971.82

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Solution

The fourth proportional to 50,207.62, 69,265.77 and 28,971.82 is: 39,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,207.62 : 69,265.77 = 28,971.82 : x
  2. Step 2: Convert to fraction form
    50,207.62/69,265.77 = 28,971.82/x
  3. Step 3: Cross multiply
    50,207.62x = 69,265.77 × 28,971.82
  4. Step 4: Simplify right side
    50,207.62x = 2,006,755,420.60
  5. Step 5: Solve for x
    x = 2,006,755,420.60/50,207.62
  6. Step 6: Final answer
    x = 39,969.14

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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.