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Finding the Fourth Proportional to 36,710.88, 50,658.48 and 21,804

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Solution

The fourth proportional to 36,710.88, 50,658.48 and 21,804 is: 30,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,710.88 : 50,658.48 = 21,804 : x
  2. Step 2: Convert to fraction form
    36,710.88/50,658.48 = 21,804/x
  3. Step 3: Cross multiply
    36,710.88x = 50,658.48 × 21,804
  4. Step 4: Simplify right side
    36,710.88x = 1,104,557,497.92
  5. Step 5: Solve for x
    x = 1,104,557,497.92/36,710.88
  6. Step 6: Final answer
    x = 30,088.01

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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.