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Finding the Fourth Proportional to 50,517.69, 69,700.74 and 28,713.66

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Solution

The fourth proportional to 50,517.69, 69,700.74 and 28,713.66 is: 39,617.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,517.69 : 69,700.74 = 28,713.66 : x
  2. Step 2: Convert to fraction form
    50,517.69/69,700.74 = 28,713.66/x
  3. Step 3: Cross multiply
    50,517.69x = 69,700.74 × 28,713.66
  4. Step 4: Simplify right side
    50,517.69x = 2,001,363,350.11
  5. Step 5: Solve for x
    x = 2,001,363,350.11/50,517.69
  6. Step 6: Final answer
    x = 39,617.08

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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.