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Finding the Fourth Proportional to 64,229.86, 88,639.60 and 35,935.75

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Solution

The fourth proportional to 64,229.86, 88,639.60 and 35,935.75 is: 49,592.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,229.86 : 88,639.60 = 35,935.75 : x
  2. Step 2: Convert to fraction form
    64,229.86/88,639.60 = 35,935.75/x
  3. Step 3: Cross multiply
    64,229.86x = 88,639.60 × 35,935.75
  4. Step 4: Simplify right side
    64,229.86x = 3,185,330,062.50
  5. Step 5: Solve for x
    x = 3,185,330,062.50/64,229.86
  6. Step 6: Final answer
    x = 49,592.67

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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.