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Finding the Fourth Proportional to 6,371.25, 8,792.02 and 3,538.80

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Solution

The fourth proportional to 6,371.25, 8,792.02 and 3,538.80 is: 4,883.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.25 : 8,792.02 = 3,538.80 : x
  2. Step 2: Convert to fraction form
    6,371.25/8,792.02 = 3,538.80/x
  3. Step 3: Cross multiply
    6,371.25x = 8,792.02 × 3,538.80
  4. Step 4: Simplify right side
    6,371.25x = 31,113,184.89
  5. Step 5: Solve for x
    x = 31,113,184.89/6,371.25
  6. Step 6: Final answer
    x = 4,883.38

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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.