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Finding the Fourth Proportional to 12,073.58, 18,090.92 and 7,446.86

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Solution

The fourth proportional to 12,073.58, 18,090.92 and 7,446.86 is: 11,158.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.58 : 18,090.92 = 7,446.86 : x
  2. Step 2: Convert to fraction form
    12,073.58/18,090.92 = 7,446.86/x
  3. Step 3: Cross multiply
    12,073.58x = 18,090.92 × 7,446.86
  4. Step 4: Simplify right side
    12,073.58x = 134,720,476.67
  5. Step 5: Solve for x
    x = 134,720,476.67/12,073.58
  6. Step 6: Final answer
    x = 11,158.29

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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.