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Finding the Fourth Proportional to 32,745.51, 49,121.42 and 13,019.67

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Solution

The fourth proportional to 32,745.51, 49,121.42 and 13,019.67 is: 19,530.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,745.51 : 49,121.42 = 13,019.67 : x
  2. Step 2: Convert to fraction form
    32,745.51/49,121.42 = 13,019.67/x
  3. Step 3: Cross multiply
    32,745.51x = 49,121.42 × 13,019.67
  4. Step 4: Simplify right side
    32,745.51x = 639,544,613.23
  5. Step 5: Solve for x
    x = 639,544,613.23/32,745.51
  6. Step 6: Final answer
    x = 19,530.76

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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.