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Finding the Fourth Proportional to 4,512.99, 6,769.67 and 1,590.87

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Solution

The fourth proportional to 4,512.99, 6,769.67 and 1,590.87 is: 2,386.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.99 : 6,769.67 = 1,590.87 : x
  2. Step 2: Convert to fraction form
    4,512.99/6,769.67 = 1,590.87/x
  3. Step 3: Cross multiply
    4,512.99x = 6,769.67 × 1,590.87
  4. Step 4: Simplify right side
    4,512.99x = 10,769,656.96
  5. Step 5: Solve for x
    x = 10,769,656.96/4,512.99
  6. Step 6: Final answer
    x = 2,386.37

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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.