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Finding the Fourth Proportional to 5,940.99, 8,188.02 and 5,276.79

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Solution

The fourth proportional to 5,940.99, 8,188.02 and 5,276.79 is: 7,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.99 : 8,188.02 = 5,276.79 : x
  2. Step 2: Convert to fraction form
    5,940.99/8,188.02 = 5,276.79/x
  3. Step 3: Cross multiply
    5,940.99x = 8,188.02 × 5,276.79
  4. Step 4: Simplify right side
    5,940.99x = 43,206,462.06
  5. Step 5: Solve for x
    x = 43,206,462.06/5,940.99
  6. Step 6: Final answer
    x = 7,272.60

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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.