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Finding the Fourth Proportional to 12,325.96, 18,488.22 and 3,560.68

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Solution

The fourth proportional to 12,325.96, 18,488.22 and 3,560.68 is: 5,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.96 : 18,488.22 = 3,560.68 : x
  2. Step 2: Convert to fraction form
    12,325.96/18,488.22 = 3,560.68/x
  3. Step 3: Cross multiply
    12,325.96x = 18,488.22 × 3,560.68
  4. Step 4: Simplify right side
    12,325.96x = 65,830,635.19
  5. Step 5: Solve for x
    x = 65,830,635.19/12,325.96
  6. Step 6: Final answer
    x = 5,340.81

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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.