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Finding the Fourth Proportional to 3,008.16, 4,513.86 and 2,999

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Solution

The fourth proportional to 3,008.16, 4,513.86 and 2,999 is: 4,500.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.16 : 4,513.86 = 2,999 : x
  2. Step 2: Convert to fraction form
    3,008.16/4,513.86 = 2,999/x
  3. Step 3: Cross multiply
    3,008.16x = 4,513.86 × 2,999
  4. Step 4: Simplify right side
    3,008.16x = 13,537,066.14
  5. Step 5: Solve for x
    x = 13,537,066.14/3,008.16
  6. Step 6: Final answer
    x = 4,500.12

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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.