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Finding the Fourth Proportional to 50,230, 75,343.18 and 15,168.76

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Solution

The fourth proportional to 50,230, 75,343.18 and 15,168.76 is: 22,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,230 : 75,343.18 = 15,168.76 : x
  2. Step 2: Convert to fraction form
    50,230/75,343.18 = 15,168.76/x
  3. Step 3: Cross multiply
    50,230x = 75,343.18 × 15,168.76
  4. Step 4: Simplify right side
    50,230x = 1,142,862,615.06
  5. Step 5: Solve for x
    x = 1,142,862,615.06/50,230
  6. Step 6: Final answer
    x = 22,752.59

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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.