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Finding the Fourth Proportional to 29,816.51, 44,745.21 and 12,286.22

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Solution

The fourth proportional to 29,816.51, 44,745.21 and 12,286.22 is: 18,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,816.51 : 44,745.21 = 12,286.22 : x
  2. Step 2: Convert to fraction form
    29,816.51/44,745.21 = 12,286.22/x
  3. Step 3: Cross multiply
    29,816.51x = 44,745.21 × 12,286.22
  4. Step 4: Simplify right side
    29,816.51x = 549,749,270.28
  5. Step 5: Solve for x
    x = 549,749,270.28/29,816.51
  6. Step 6: Final answer
    x = 18,437.75

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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.