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Finding the Fourth Proportional to 36,653.40, 54,936.90 and 19,114.20

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Solution

The fourth proportional to 36,653.40, 54,936.90 and 19,114.20 is: 28,648.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,653.40 : 54,936.90 = 19,114.20 : x
  2. Step 2: Convert to fraction form
    36,653.40/54,936.90 = 19,114.20/x
  3. Step 3: Cross multiply
    36,653.40x = 54,936.90 × 19,114.20
  4. Step 4: Simplify right side
    36,653.40x = 1,050,074,893.98
  5. Step 5: Solve for x
    x = 1,050,074,893.98/36,653.40
  6. Step 6: Final answer
    x = 28,648.77

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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.