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Finding the Fourth Proportional to 12,296.60, 18,444.90 and 3,062.60

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Solution

The fourth proportional to 12,296.60, 18,444.90 and 3,062.60 is: 4,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.60 : 18,444.90 = 3,062.60 : x
  2. Step 2: Convert to fraction form
    12,296.60/18,444.90 = 3,062.60/x
  3. Step 3: Cross multiply
    12,296.60x = 18,444.90 × 3,062.60
  4. Step 4: Simplify right side
    12,296.60x = 56,489,350.74
  5. Step 5: Solve for x
    x = 56,489,350.74/12,296.60
  6. Step 6: Final answer
    x = 4,593.90

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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.