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Finding the Fourth Proportional to 12,410.88, 18,624.60 and 4,620.48

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Solution

The fourth proportional to 12,410.88, 18,624.60 and 4,620.48 is: 6,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410.88 : 18,624.60 = 4,620.48 : x
  2. Step 2: Convert to fraction form
    12,410.88/18,624.60 = 4,620.48/x
  3. Step 3: Cross multiply
    12,410.88x = 18,624.60 × 4,620.48
  4. Step 4: Simplify right side
    12,410.88x = 86,054,591.81
  5. Step 5: Solve for x
    x = 86,054,591.81/12,410.88
  6. Step 6: Final answer
    x = 6,933.80

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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.