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Finding the Fourth Proportional to 50,569.82, 75,854.73 and 13,126.78

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Solution

The fourth proportional to 50,569.82, 75,854.73 and 13,126.78 is: 19,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,569.82 : 75,854.73 = 13,126.78 : x
  2. Step 2: Convert to fraction form
    50,569.82/75,854.73 = 13,126.78/x
  3. Step 3: Cross multiply
    50,569.82x = 75,854.73 × 13,126.78
  4. Step 4: Simplify right side
    50,569.82x = 995,728,636.22
  5. Step 5: Solve for x
    x = 995,728,636.22/50,569.82
  6. Step 6: Final answer
    x = 19,690.18

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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.