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Finding the Fourth Proportional to 12,483.57, 18,696.60 and 6,224.16

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Solution

The fourth proportional to 12,483.57, 18,696.60 and 6,224.16 is: 9,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.57 : 18,696.60 = 6,224.16 : x
  2. Step 2: Convert to fraction form
    12,483.57/18,696.60 = 6,224.16/x
  3. Step 3: Cross multiply
    12,483.57x = 18,696.60 × 6,224.16
  4. Step 4: Simplify right side
    12,483.57x = 116,370,629.86
  5. Step 5: Solve for x
    x = 116,370,629.86/12,483.57
  6. Step 6: Final answer
    x = 9,321.90

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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.