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Finding the Fourth Proportional to 53,999.64, 81,035.61 and 22,409.73

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Solution

The fourth proportional to 53,999.64, 81,035.61 and 22,409.73 is: 33,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,999.64 : 81,035.61 = 22,409.73 : x
  2. Step 2: Convert to fraction form
    53,999.64/81,035.61 = 22,409.73/x
  3. Step 3: Cross multiply
    53,999.64x = 81,035.61 × 22,409.73
  4. Step 4: Simplify right side
    53,999.64x = 1,815,986,140.49
  5. Step 5: Solve for x
    x = 1,815,986,140.49/53,999.64
  6. Step 6: Final answer
    x = 33,629.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.