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Finding the Fourth Proportional to 35,999.52, 49,679.58 and 21,659.68

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Solution

The fourth proportional to 35,999.52, 49,679.58 and 21,659.68 is: 29,890.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,999.52 : 49,679.58 = 21,659.68 : x
  2. Step 2: Convert to fraction form
    35,999.52/49,679.58 = 21,659.68/x
  3. Step 3: Cross multiply
    35,999.52x = 49,679.58 × 21,659.68
  4. Step 4: Simplify right side
    35,999.52x = 1,076,043,805.33
  5. Step 5: Solve for x
    x = 1,076,043,805.33/35,999.52
  6. Step 6: Final answer
    x = 29,890.50

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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.