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Finding the Fourth Proportional to 5,776.58, 8,658.83 and 4,191.47

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Solution

The fourth proportional to 5,776.58, 8,658.83 and 4,191.47 is: 6,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.58 : 8,658.83 = 4,191.47 : x
  2. Step 2: Convert to fraction form
    5,776.58/8,658.83 = 4,191.47/x
  3. Step 3: Cross multiply
    5,776.58x = 8,658.83 × 4,191.47
  4. Step 4: Simplify right side
    5,776.58x = 36,293,161.93
  5. Step 5: Solve for x
    x = 36,293,161.93/5,776.58
  6. Step 6: Final answer
    x = 6,282.82

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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.