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Finding the Fourth Proportional to 5,929.99, 8,894.99 and 2,645.39

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Solution

The fourth proportional to 5,929.99, 8,894.99 and 2,645.39 is: 3,968.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.99 : 8,894.99 = 2,645.39 : x
  2. Step 2: Convert to fraction form
    5,929.99/8,894.99 = 2,645.39/x
  3. Step 3: Cross multiply
    5,929.99x = 8,894.99 × 2,645.39
  4. Step 4: Simplify right side
    5,929.99x = 23,530,717.60
  5. Step 5: Solve for x
    x = 23,530,717.60/5,929.99
  6. Step 6: Final answer
    x = 3,968.09

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.