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Finding the Fourth Proportional to 4,550.76, 6,822.08 and 1,776.79

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Solution

The fourth proportional to 4,550.76, 6,822.08 and 1,776.79 is: 2,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.76 : 6,822.08 = 1,776.79 : x
  2. Step 2: Convert to fraction form
    4,550.76/6,822.08 = 1,776.79/x
  3. Step 3: Cross multiply
    4,550.76x = 6,822.08 × 1,776.79
  4. Step 4: Simplify right side
    4,550.76x = 12,121,390.91
  5. Step 5: Solve for x
    x = 12,121,390.91/4,550.76
  6. Step 6: Final answer
    x = 2,663.60

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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.