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Finding the Fourth Proportional to 15,185.21, 22,790.03 and 11,027.07

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Solution

The fourth proportional to 15,185.21, 22,790.03 and 11,027.07 is: 16,549.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185.21 : 22,790.03 = 11,027.07 : x
  2. Step 2: Convert to fraction form
    15,185.21/22,790.03 = 11,027.07/x
  3. Step 3: Cross multiply
    15,185.21x = 22,790.03 × 11,027.07
  4. Step 4: Simplify right side
    15,185.21x = 251,307,200.98
  5. Step 5: Solve for x
    x = 251,307,200.98/15,185.21
  6. Step 6: Final answer
    x = 16,549.48

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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.