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Finding the Fourth Proportional to 50,510.68, 75,768.36 and 19,343.68

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Solution

The fourth proportional to 50,510.68, 75,768.36 and 19,343.68 is: 29,016.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,510.68 : 75,768.36 = 19,343.68 : x
  2. Step 2: Convert to fraction form
    50,510.68/75,768.36 = 19,343.68/x
  3. Step 3: Cross multiply
    50,510.68x = 75,768.36 × 19,343.68
  4. Step 4: Simplify right side
    50,510.68x = 1,465,638,909.96
  5. Step 5: Solve for x
    x = 1,465,638,909.96/50,510.68
  6. Step 6: Final answer
    x = 29,016.42

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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.