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Finding the Fourth Proportional to 4,484.93, 6,721.85 and 1,559.82

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Solution

The fourth proportional to 4,484.93, 6,721.85 and 1,559.82 is: 2,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,484.93 : 6,721.85 = 1,559.82 : x
  2. Step 2: Convert to fraction form
    4,484.93/6,721.85 = 1,559.82/x
  3. Step 3: Cross multiply
    4,484.93x = 6,721.85 × 1,559.82
  4. Step 4: Simplify right side
    4,484.93x = 10,484,868.27
  5. Step 5: Solve for x
    x = 10,484,868.27/4,484.93
  6. Step 6: Final answer
    x = 2,337.80

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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.