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Finding the Fourth Proportional to 5,791.55, 7,986.37 and 4,955.02

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Solution

The fourth proportional to 5,791.55, 7,986.37 and 4,955.02 is: 6,832.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.55 : 7,986.37 = 4,955.02 : x
  2. Step 2: Convert to fraction form
    5,791.55/7,986.37 = 4,955.02/x
  3. Step 3: Cross multiply
    5,791.55x = 7,986.37 × 4,955.02
  4. Step 4: Simplify right side
    5,791.55x = 39,572,632.81
  5. Step 5: Solve for x
    x = 39,572,632.81/5,791.55
  6. Step 6: Final answer
    x = 6,832.82

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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.