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Finding the Fourth Proportional to 36,659, 50,588.88 and 21,553.36

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Solution

The fourth proportional to 36,659, 50,588.88 and 21,553.36 is: 29,743.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,659 : 50,588.88 = 21,553.36 : x
  2. Step 2: Convert to fraction form
    36,659/50,588.88 = 21,553.36/x
  3. Step 3: Cross multiply
    36,659x = 50,588.88 × 21,553.36
  4. Step 4: Simplify right side
    36,659x = 1,090,360,342.64
  5. Step 5: Solve for x
    x = 1,090,360,342.64/36,659
  6. Step 6: Final answer
    x = 29,743.32

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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.