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Finding the Fourth Proportional to 70,957.64, 106,450.86 and 26,583.56

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Solution

The fourth proportional to 70,957.64, 106,450.86 and 26,583.56 is: 39,880.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,957.64 : 106,450.86 = 26,583.56 : x
  2. Step 2: Convert to fraction form
    70,957.64/106,450.86 = 26,583.56/x
  3. Step 3: Cross multiply
    70,957.64x = 106,450.86 × 26,583.56
  4. Step 4: Simplify right side
    70,957.64x = 2,829,842,823.86
  5. Step 5: Solve for x
    x = 2,829,842,823.86/70,957.64
  6. Step 6: Final answer
    x = 39,880.73

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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.