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Finding the Fourth Proportional to 4,973.19, 6,863.03 and 2,735.21

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Solution

The fourth proportional to 4,973.19, 6,863.03 and 2,735.21 is: 3,774.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.19 : 6,863.03 = 2,735.21 : x
  2. Step 2: Convert to fraction form
    4,973.19/6,863.03 = 2,735.21/x
  3. Step 3: Cross multiply
    4,973.19x = 6,863.03 × 2,735.21
  4. Step 4: Simplify right side
    4,973.19x = 18,771,828.29
  5. Step 5: Solve for x
    x = 18,771,828.29/4,973.19
  6. Step 6: Final answer
    x = 3,774.61

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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.