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Finding the Fourth Proportional to 6,458.84, 8,911.04 and 3,625.73

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Solution

The fourth proportional to 6,458.84, 8,911.04 and 3,625.73 is: 5,002.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.84 : 8,911.04 = 3,625.73 : x
  2. Step 2: Convert to fraction form
    6,458.84/8,911.04 = 3,625.73/x
  3. Step 3: Cross multiply
    6,458.84x = 8,911.04 × 3,625.73
  4. Step 4: Simplify right side
    6,458.84x = 32,308,962.38
  5. Step 5: Solve for x
    x = 32,308,962.38/6,458.84
  6. Step 6: Final answer
    x = 5,002.29

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Double scale
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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.