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Finding the Fourth Proportional to 36,551.58, 50,440.14 and 20,637.51

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Solution

The fourth proportional to 36,551.58, 50,440.14 and 20,637.51 is: 28,479.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,551.58 : 50,440.14 = 20,637.51 : x
  2. Step 2: Convert to fraction form
    36,551.58/50,440.14 = 20,637.51/x
  3. Step 3: Cross multiply
    36,551.58x = 50,440.14 × 20,637.51
  4. Step 4: Simplify right side
    36,551.58x = 1,040,958,893.65
  5. Step 5: Solve for x
    x = 1,040,958,893.65/36,551.58
  6. Step 6: Final answer
    x = 28,479.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.