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Finding the Fourth Proportional to 4,573, 6,312.18 and 2,917

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Solution

The fourth proportional to 4,573, 6,312.18 and 2,917 is: 4,026.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,573 : 6,312.18 = 2,917 : x
  2. Step 2: Convert to fraction form
    4,573/6,312.18 = 2,917/x
  3. Step 3: Cross multiply
    4,573x = 6,312.18 × 2,917
  4. Step 4: Simplify right side
    4,573x = 18,412,629.06
  5. Step 5: Solve for x
    x = 18,412,629.06/4,573
  6. Step 6: Final answer
    x = 4,026.38

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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.