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Finding the Fourth Proportional to 5,979.56, 8,955.43 and 5,771.93

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Solution

The fourth proportional to 5,979.56, 8,955.43 and 5,771.93 is: 8,644.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.56 : 8,955.43 = 5,771.93 : x
  2. Step 2: Convert to fraction form
    5,979.56/8,955.43 = 5,771.93/x
  3. Step 3: Cross multiply
    5,979.56x = 8,955.43 × 5,771.93
  4. Step 4: Simplify right side
    5,979.56x = 51,690,055.87
  5. Step 5: Solve for x
    x = 51,690,055.87/5,979.56
  6. Step 6: Final answer
    x = 8,644.47

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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.