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Finding the Fourth Proportional to 4,973.85, 6,863.47 and 2,735.82

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Solution

The fourth proportional to 4,973.85, 6,863.47 and 2,735.82 is: 3,775.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.85 : 6,863.47 = 2,735.82 : x
  2. Step 2: Convert to fraction form
    4,973.85/6,863.47 = 2,735.82/x
  3. Step 3: Cross multiply
    4,973.85x = 6,863.47 × 2,735.82
  4. Step 4: Simplify right side
    4,973.85x = 18,777,204.82
  5. Step 5: Solve for x
    x = 18,777,204.82/4,973.85
  6. Step 6: Final answer
    x = 3,775.19

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1.5x scale

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.