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Finding the Fourth Proportional to 2,410.97, 3,613.71 and 1,678.32

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Solution

The fourth proportional to 2,410.97, 3,613.71 and 1,678.32 is: 2,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,410.97 : 3,613.71 = 1,678.32 : x
  2. Step 2: Convert to fraction form
    2,410.97/3,613.71 = 1,678.32/x
  3. Step 3: Cross multiply
    2,410.97x = 3,613.71 × 1,678.32
  4. Step 4: Simplify right side
    2,410.97x = 6,064,968.06
  5. Step 5: Solve for x
    x = 6,064,968.06/2,410.97
  6. Step 6: Final answer
    x = 2,515.58

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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.