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Finding the Fourth Proportional to 50,461.53, 75,691.92 and 13,018.42

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Solution

The fourth proportional to 50,461.53, 75,691.92 and 13,018.42 is: 19,527.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,461.53 : 75,691.92 = 13,018.42 : x
  2. Step 2: Convert to fraction form
    50,461.53/75,691.92 = 13,018.42/x
  3. Step 3: Cross multiply
    50,461.53x = 75,691.92 × 13,018.42
  4. Step 4: Simplify right side
    50,461.53x = 985,389,275.37
  5. Step 5: Solve for x
    x = 985,389,275.37/50,461.53
  6. Step 6: Final answer
    x = 19,527.53

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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.