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Finding the Fourth Proportional to 12,056.88, 18,090.72 and 9,583.68

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Solution

The fourth proportional to 12,056.88, 18,090.72 and 9,583.68 is: 14,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.88 : 18,090.72 = 9,583.68 : x
  2. Step 2: Convert to fraction form
    12,056.88/18,090.72 = 9,583.68/x
  3. Step 3: Cross multiply
    12,056.88x = 18,090.72 × 9,583.68
  4. Step 4: Simplify right side
    12,056.88x = 173,375,671.45
  5. Step 5: Solve for x
    x = 173,375,671.45/12,056.88
  6. Step 6: Final answer
    x = 14,379.81

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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.