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Finding the Fourth Proportional to 6,123.70, 9,190.19 and 4,484.49

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Solution

The fourth proportional to 6,123.70, 9,190.19 and 4,484.49 is: 6,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.70 : 9,190.19 = 4,484.49 : x
  2. Step 2: Convert to fraction form
    6,123.70/9,190.19 = 4,484.49/x
  3. Step 3: Cross multiply
    6,123.70x = 9,190.19 × 4,484.49
  4. Step 4: Simplify right side
    6,123.70x = 41,213,315.15
  5. Step 5: Solve for x
    x = 41,213,315.15/6,123.70
  6. Step 6: Final answer
    x = 6,730.13

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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.