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Finding the Fourth Proportional to 5,771.77, 8,661.01 and 5,724.79

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Solution

The fourth proportional to 5,771.77, 8,661.01 and 5,724.79 is: 8,590.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.77 : 8,661.01 = 5,724.79 : x
  2. Step 2: Convert to fraction form
    5,771.77/8,661.01 = 5,724.79/x
  3. Step 3: Cross multiply
    5,771.77x = 8,661.01 × 5,724.79
  4. Step 4: Simplify right side
    5,771.77x = 49,582,486.93
  5. Step 5: Solve for x
    x = 49,582,486.93/5,771.77
  6. Step 6: Final answer
    x = 8,590.51

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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.