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Finding the Fourth Proportional to 19,094.30, 28,610.13 and 18,365.30

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Solution

The fourth proportional to 19,094.30, 28,610.13 and 18,365.30 is: 27,517.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,094.30 : 28,610.13 = 18,365.30 : x
  2. Step 2: Convert to fraction form
    19,094.30/28,610.13 = 18,365.30/x
  3. Step 3: Cross multiply
    19,094.30x = 28,610.13 × 18,365.30
  4. Step 4: Simplify right side
    19,094.30x = 525,433,620.49
  5. Step 5: Solve for x
    x = 525,433,620.49/19,094.30
  6. Step 6: Final answer
    x = 27,517.83

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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.