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Finding the Fourth Proportional to 50,393.61, 75,534.84 and 20,795.22

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Solution

The fourth proportional to 50,393.61, 75,534.84 and 20,795.22 is: 31,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,393.61 : 75,534.84 = 20,795.22 : x
  2. Step 2: Convert to fraction form
    50,393.61/75,534.84 = 20,795.22/x
  3. Step 3: Cross multiply
    50,393.61x = 75,534.84 × 20,795.22
  4. Step 4: Simplify right side
    50,393.61x = 1,570,763,615.46
  5. Step 5: Solve for x
    x = 1,570,763,615.46/50,393.61
  6. Step 6: Final answer
    x = 31,169.90

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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.