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Finding the Fourth Proportional to 35,188.80, 48,557.41 and 21,584.27

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Solution

The fourth proportional to 35,188.80, 48,557.41 and 21,584.27 is: 29,784.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,188.80 : 48,557.41 = 21,584.27 : x
  2. Step 2: Convert to fraction form
    35,188.80/48,557.41 = 21,584.27/x
  3. Step 3: Cross multiply
    35,188.80x = 48,557.41 × 21,584.27
  4. Step 4: Simplify right side
    35,188.80x = 1,048,076,315.37
  5. Step 5: Solve for x
    x = 1,048,076,315.37/35,188.80
  6. Step 6: Final answer
    x = 29,784.38

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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.