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Finding the Fourth Proportional to 8,630.04, 12,945.51 and 3,696.33

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Solution

The fourth proportional to 8,630.04, 12,945.51 and 3,696.33 is: 5,544.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.04 : 12,945.51 = 3,696.33 : x
  2. Step 2: Convert to fraction form
    8,630.04/12,945.51 = 3,696.33/x
  3. Step 3: Cross multiply
    8,630.04x = 12,945.51 × 3,696.33
  4. Step 4: Simplify right side
    8,630.04x = 47,850,876.98
  5. Step 5: Solve for x
    x = 47,850,876.98/8,630.04
  6. Step 6: Final answer
    x = 5,544.69

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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.