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Finding the Fourth Proportional to 12,550.02, 18,819.09 and 4,647.12

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Solution

The fourth proportional to 12,550.02, 18,819.09 and 4,647.12 is: 6,968.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.02 : 18,819.09 = 4,647.12 : x
  2. Step 2: Convert to fraction form
    12,550.02/18,819.09 = 4,647.12/x
  3. Step 3: Cross multiply
    12,550.02x = 18,819.09 × 4,647.12
  4. Step 4: Simplify right side
    12,550.02x = 87,454,569.52
  5. Step 5: Solve for x
    x = 87,454,569.52/12,550.02
  6. Step 6: Final answer
    x = 6,968.48

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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.