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Finding the Fourth Proportional to 50,605.54, 75,499.13 and 45,561.31

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Solution

The fourth proportional to 50,605.54, 75,499.13 and 45,561.31 is: 67,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,605.54 : 75,499.13 = 45,561.31 : x
  2. Step 2: Convert to fraction form
    50,605.54/75,499.13 = 45,561.31/x
  3. Step 3: Cross multiply
    50,605.54x = 75,499.13 × 45,561.31
  4. Step 4: Simplify right side
    50,605.54x = 3,439,839,266.66
  5. Step 5: Solve for x
    x = 3,439,839,266.66/50,605.54
  6. Step 6: Final answer
    x = 67,973.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.