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Finding the Fourth Proportional to 8,607.37, 12,910.62 and 2,763.52

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Solution

The fourth proportional to 8,607.37, 12,910.62 and 2,763.52 is: 4,145.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.37 : 12,910.62 = 2,763.52 : x
  2. Step 2: Convert to fraction form
    8,607.37/12,910.62 = 2,763.52/x
  3. Step 3: Cross multiply
    8,607.37x = 12,910.62 × 2,763.52
  4. Step 4: Simplify right side
    8,607.37x = 35,678,756.58
  5. Step 5: Solve for x
    x = 35,678,756.58/8,607.37
  6. Step 6: Final answer
    x = 4,145.14

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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.