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Finding the Fourth Proportional to 50,643.99, 75,773.23 and 30,579.63

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Solution

The fourth proportional to 50,643.99, 75,773.23 and 30,579.63 is: 45,753.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,643.99 : 75,773.23 = 30,579.63 : x
  2. Step 2: Convert to fraction form
    50,643.99/75,773.23 = 30,579.63/x
  3. Step 3: Cross multiply
    50,643.99x = 75,773.23 × 30,579.63
  4. Step 4: Simplify right side
    50,643.99x = 2,317,117,337.30
  5. Step 5: Solve for x
    x = 2,317,117,337.30/50,643.99
  6. Step 6: Final answer
    x = 45,753.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.