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Finding the Fourth Proportional to 59,431.92, 81,999.72 and 36,760.02

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Solution

The fourth proportional to 59,431.92, 81,999.72 and 36,760.02 is: 50,718.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,431.92 : 81,999.72 = 36,760.02 : x
  2. Step 2: Convert to fraction form
    59,431.92/81,999.72 = 36,760.02/x
  3. Step 3: Cross multiply
    59,431.92x = 81,999.72 × 36,760.02
  4. Step 4: Simplify right side
    59,431.92x = 3,014,311,347.19
  5. Step 5: Solve for x
    x = 3,014,311,347.19/59,431.92
  6. Step 6: Final answer
    x = 50,718.73

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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.