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Finding the Fourth Proportional to 6,265.98, 8,638.79 and 4,494.51

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Solution

The fourth proportional to 6,265.98, 8,638.79 and 4,494.51 is: 6,196.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,265.98 : 8,638.79 = 4,494.51 : x
  2. Step 2: Convert to fraction form
    6,265.98/8,638.79 = 4,494.51/x
  3. Step 3: Cross multiply
    6,265.98x = 8,638.79 × 4,494.51
  4. Step 4: Simplify right side
    6,265.98x = 38,827,105.57
  5. Step 5: Solve for x
    x = 38,827,105.57/6,265.98
  6. Step 6: Final answer
    x = 6,196.49

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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.