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Finding the Fourth Proportional to 18,040.94, 27,064.29 and 5,557.94

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Solution

The fourth proportional to 18,040.94, 27,064.29 and 5,557.94 is: 8,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040.94 : 27,064.29 = 5,557.94 : x
  2. Step 2: Convert to fraction form
    18,040.94/27,064.29 = 5,557.94/x
  3. Step 3: Cross multiply
    18,040.94x = 27,064.29 × 5,557.94
  4. Step 4: Simplify right side
    18,040.94x = 150,421,699.96
  5. Step 5: Solve for x
    x = 150,421,699.96/18,040.94
  6. Step 6: Final answer
    x = 8,337.80

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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.