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Finding the Fourth Proportional to 50,642.88, 75,957.66 and 15,579.60

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Solution

The fourth proportional to 50,642.88, 75,957.66 and 15,579.60 is: 23,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,642.88 : 75,957.66 = 15,579.60 : x
  2. Step 2: Convert to fraction form
    50,642.88/75,957.66 = 15,579.60/x
  3. Step 3: Cross multiply
    50,642.88x = 75,957.66 × 15,579.60
  4. Step 4: Simplify right side
    50,642.88x = 1,183,389,959.74
  5. Step 5: Solve for x
    x = 1,183,389,959.74/50,642.88
  6. Step 6: Final answer
    x = 23,367.35

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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.