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Finding the Fourth Proportional to 50,497.75, 75,746.63 and 13,561.75

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Solution

The fourth proportional to 50,497.75, 75,746.63 and 13,561.75 is: 20,342.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,497.75 : 75,746.63 = 13,561.75 : x
  2. Step 2: Convert to fraction form
    50,497.75/75,746.63 = 13,561.75/x
  3. Step 3: Cross multiply
    50,497.75x = 75,746.63 × 13,561.75
  4. Step 4: Simplify right side
    50,497.75x = 1,027,256,859.40
  5. Step 5: Solve for x
    x = 1,027,256,859.40/50,497.75
  6. Step 6: Final answer
    x = 20,342.63

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Similar ratio
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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.