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Finding the Fourth Proportional to 50,307.49, 69,420.97 and 27,645.99

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Solution

The fourth proportional to 50,307.49, 69,420.97 and 27,645.99 is: 38,149.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,307.49 : 69,420.97 = 27,645.99 : x
  2. Step 2: Convert to fraction form
    50,307.49/69,420.97 = 27,645.99/x
  3. Step 3: Cross multiply
    50,307.49x = 69,420.97 × 27,645.99
  4. Step 4: Simplify right side
    50,307.49x = 1,919,211,424.75
  5. Step 5: Solve for x
    x = 1,919,211,424.75/50,307.49
  6. Step 6: Final answer
    x = 38,149.62

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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.