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Finding the Fourth Proportional to 4,998.54, 6,900.62 and 3,231.15

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Solution

The fourth proportional to 4,998.54, 6,900.62 and 3,231.15 is: 4,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.54 : 6,900.62 = 3,231.15 : x
  2. Step 2: Convert to fraction form
    4,998.54/6,900.62 = 3,231.15/x
  3. Step 3: Cross multiply
    4,998.54x = 6,900.62 × 3,231.15
  4. Step 4: Simplify right side
    4,998.54x = 22,296,938.31
  5. Step 5: Solve for x
    x = 22,296,938.31/4,998.54
  6. Step 6: Final answer
    x = 4,460.69

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Half scale
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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.