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Finding the Fourth Proportional to 3,640.99, 5,020.58 and 2,460.01

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Solution

The fourth proportional to 3,640.99, 5,020.58 and 2,460.01 is: 3,392.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.99 : 5,020.58 = 2,460.01 : x
  2. Step 2: Convert to fraction form
    3,640.99/5,020.58 = 2,460.01/x
  3. Step 3: Cross multiply
    3,640.99x = 5,020.58 × 2,460.01
  4. Step 4: Simplify right side
    3,640.99x = 12,350,677.01
  5. Step 5: Solve for x
    x = 12,350,677.01/3,640.99
  6. Step 6: Final answer
    x = 3,392.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.