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Finding the Fourth Proportional to 6,483.54, 9,725.23 and 2,100.90

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Solution

The fourth proportional to 6,483.54, 9,725.23 and 2,100.90 is: 3,151.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.54 : 9,725.23 = 2,100.90 : x
  2. Step 2: Convert to fraction form
    6,483.54/9,725.23 = 2,100.90/x
  3. Step 3: Cross multiply
    6,483.54x = 9,725.23 × 2,100.90
  4. Step 4: Simplify right side
    6,483.54x = 20,431,735.71
  5. Step 5: Solve for x
    x = 20,431,735.71/6,483.54
  6. Step 6: Final answer
    x = 3,151.32

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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.