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Finding the Fourth Proportional to 59,485.81, 82,062.12 and 35,607.90

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Solution

The fourth proportional to 59,485.81, 82,062.12 and 35,607.90 is: 49,121.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,485.81 : 82,062.12 = 35,607.90 : x
  2. Step 2: Convert to fraction form
    59,485.81/82,062.12 = 35,607.90/x
  3. Step 3: Cross multiply
    59,485.81x = 82,062.12 × 35,607.90
  4. Step 4: Simplify right side
    59,485.81x = 2,922,059,762.75
  5. Step 5: Solve for x
    x = 2,922,059,762.75/59,485.81
  6. Step 6: Final answer
    x = 49,121.96

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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.