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Finding the Fourth Proportional to 51,794.76, 71,474.64 and 30,580.86

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Solution

The fourth proportional to 51,794.76, 71,474.64 and 30,580.86 is: 42,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,794.76 : 71,474.64 = 30,580.86 : x
  2. Step 2: Convert to fraction form
    51,794.76/71,474.64 = 30,580.86/x
  3. Step 3: Cross multiply
    51,794.76x = 71,474.64 × 30,580.86
  4. Step 4: Simplify right side
    51,794.76x = 2,185,755,959.39
  5. Step 5: Solve for x
    x = 2,185,755,959.39/51,794.76
  6. Step 6: Final answer
    x = 42,200.33

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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.