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Finding the Fourth Proportional to 2,597.99, 3,894.82 and 1,210.62

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Solution

The fourth proportional to 2,597.99, 3,894.82 and 1,210.62 is: 1,814.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,597.99 : 3,894.82 = 1,210.62 : x
  2. Step 2: Convert to fraction form
    2,597.99/3,894.82 = 1,210.62/x
  3. Step 3: Cross multiply
    2,597.99x = 3,894.82 × 1,210.62
  4. Step 4: Simplify right side
    2,597.99x = 4,715,124.49
  5. Step 5: Solve for x
    x = 4,715,124.49/2,597.99
  6. Step 6: Final answer
    x = 1,814.91

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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.