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Finding the Fourth Proportional to 50,612.80, 75,759.97 and 34,724.93

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Solution

The fourth proportional to 50,612.80, 75,759.97 and 34,724.93 is: 51,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,612.80 : 75,759.97 = 34,724.93 : x
  2. Step 2: Convert to fraction form
    50,612.80/75,759.97 = 34,724.93/x
  3. Step 3: Cross multiply
    50,612.80x = 75,759.97 × 34,724.93
  4. Step 4: Simplify right side
    50,612.80x = 2,630,759,516.46
  5. Step 5: Solve for x
    x = 2,630,759,516.46/50,612.80
  6. Step 6: Final answer
    x = 51,978.15

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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.