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Finding the Fourth Proportional to 2,462.99, 3,399.50 and 1,415.66

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Solution

The fourth proportional to 2,462.99, 3,399.50 and 1,415.66 is: 1,953.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,462.99 : 3,399.50 = 1,415.66 : x
  2. Step 2: Convert to fraction form
    2,462.99/3,399.50 = 1,415.66/x
  3. Step 3: Cross multiply
    2,462.99x = 3,399.50 × 1,415.66
  4. Step 4: Simplify right side
    2,462.99x = 4,812,522.71
  5. Step 5: Solve for x
    x = 4,812,522.71/2,462.99
  6. Step 6: Final answer
    x = 1,953.94

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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.