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Finding the Fourth Proportional to 70,956.41, 106,421.24 and 26,573.67

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Solution

The fourth proportional to 70,956.41, 106,421.24 and 26,573.67 is: 39,855.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,956.41 : 106,421.24 = 26,573.67 : x
  2. Step 2: Convert to fraction form
    70,956.41/106,421.24 = 26,573.67/x
  3. Step 3: Cross multiply
    70,956.41x = 106,421.24 × 26,573.67
  4. Step 4: Simplify right side
    70,956.41x = 2,828,002,979.18
  5. Step 5: Solve for x
    x = 2,828,002,979.18/70,956.41
  6. Step 6: Final answer
    x = 39,855.50

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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.