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Finding the Fourth Proportional to 6,262, 8,641.28 and 3,467.44

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Solution

The fourth proportional to 6,262, 8,641.28 and 3,467.44 is: 4,784.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262 : 8,641.28 = 3,467.44 : x
  2. Step 2: Convert to fraction form
    6,262/8,641.28 = 3,467.44/x
  3. Step 3: Cross multiply
    6,262x = 8,641.28 × 3,467.44
  4. Step 4: Simplify right side
    6,262x = 29,963,119.92
  5. Step 5: Solve for x
    x = 29,963,119.92/6,262
  6. Step 6: Final answer
    x = 4,784.91

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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.