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Finding the Fourth Proportional to 50,760.52, 70,048.50 and 28,099.50

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Solution

The fourth proportional to 50,760.52, 70,048.50 and 28,099.50 is: 38,776.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,760.52 : 70,048.50 = 28,099.50 : x
  2. Step 2: Convert to fraction form
    50,760.52/70,048.50 = 28,099.50/x
  3. Step 3: Cross multiply
    50,760.52x = 70,048.50 × 28,099.50
  4. Step 4: Simplify right side
    50,760.52x = 1,968,327,825.75
  5. Step 5: Solve for x
    x = 1,968,327,825.75/50,760.52
  6. Step 6: Final answer
    x = 38,776.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.