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Finding the Fourth Proportional to 7,930.99, 10,944.47 and 4,573.95

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Solution

The fourth proportional to 7,930.99, 10,944.47 and 4,573.95 is: 6,311.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.99 : 10,944.47 = 4,573.95 : x
  2. Step 2: Convert to fraction form
    7,930.99/10,944.47 = 4,573.95/x
  3. Step 3: Cross multiply
    7,930.99x = 10,944.47 × 4,573.95
  4. Step 4: Simplify right side
    7,930.99x = 50,059,403.83
  5. Step 5: Solve for x
    x = 50,059,403.83/7,930.99
  6. Step 6: Final answer
    x = 6,311.87

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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.