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Finding the Fourth Proportional to 18,090.58, 24,977.19 and 11,294.96

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Solution

The fourth proportional to 18,090.58, 24,977.19 and 11,294.96 is: 15,594.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.58 : 24,977.19 = 11,294.96 : x
  2. Step 2: Convert to fraction form
    18,090.58/24,977.19 = 11,294.96/x
  3. Step 3: Cross multiply
    18,090.58x = 24,977.19 × 11,294.96
  4. Step 4: Simplify right side
    18,090.58x = 282,116,361.96
  5. Step 5: Solve for x
    x = 282,116,361.96/18,090.58
  6. Step 6: Final answer
    x = 15,594.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.