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Finding the Fourth Proportional to 50,643.49, 75,772.48 and 30,579.13

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Solution

The fourth proportional to 50,643.49, 75,772.48 and 30,579.13 is: 45,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,643.49 : 75,772.48 = 30,579.13 : x
  2. Step 2: Convert to fraction form
    50,643.49/75,772.48 = 30,579.13/x
  3. Step 3: Cross multiply
    50,643.49x = 75,772.48 × 30,579.13
  4. Step 4: Simplify right side
    50,643.49x = 2,317,056,516.34
  5. Step 5: Solve for x
    x = 2,317,056,516.34/50,643.49
  6. Step 6: Final answer
    x = 45,752.31

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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.