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Finding the Fourth Proportional to 2,597.77, 3,585 and 1,418.86

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Solution

The fourth proportional to 2,597.77, 3,585 and 1,418.86 is: 1,958.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,597.77 : 3,585 = 1,418.86 : x
  2. Step 2: Convert to fraction form
    2,597.77/3,585 = 1,418.86/x
  3. Step 3: Cross multiply
    2,597.77x = 3,585 × 1,418.86
  4. Step 4: Simplify right side
    2,597.77x = 5,086,613.10
  5. Step 5: Solve for x
    x = 5,086,613.10/2,597.77
  6. Step 6: Final answer
    x = 1,958.07

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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.