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Finding the Fourth Proportional to 36,658.16, 50,585.48 and 21,551.44

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Solution

The fourth proportional to 36,658.16, 50,585.48 and 21,551.44 is: 29,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,658.16 : 50,585.48 = 21,551.44 : x
  2. Step 2: Convert to fraction form
    36,658.16/50,585.48 = 21,551.44/x
  3. Step 3: Cross multiply
    36,658.16x = 50,585.48 × 21,551.44
  4. Step 4: Simplify right side
    36,658.16x = 1,090,189,937.09
  5. Step 5: Solve for x
    x = 1,090,189,937.09/36,658.16
  6. Step 6: Final answer
    x = 29,739.35

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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.