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Finding the Fourth Proportional to 70,951.56, 106,429.60 and 26,569.88

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Solution

The fourth proportional to 70,951.56, 106,429.60 and 26,569.88 is: 39,855.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,951.56 : 106,429.60 = 26,569.88 : x
  2. Step 2: Convert to fraction form
    70,951.56/106,429.60 = 26,569.88/x
  3. Step 3: Cross multiply
    70,951.56x = 106,429.60 × 26,569.88
  4. Step 4: Simplify right side
    70,951.56x = 2,827,821,700.45
  5. Step 5: Solve for x
    x = 2,827,821,700.45/70,951.56
  6. Step 6: Final answer
    x = 39,855.67

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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.