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Finding the Fourth Proportional to 70,953.56, 106,432.60 and 26,571.88

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Solution

The fourth proportional to 70,953.56, 106,432.60 and 26,571.88 is: 39,858.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,953.56 : 106,432.60 = 26,571.88 : x
  2. Step 2: Convert to fraction form
    70,953.56/106,432.60 = 26,571.88/x
  3. Step 3: Cross multiply
    70,953.56x = 106,432.60 × 26,571.88
  4. Step 4: Simplify right side
    70,953.56x = 2,828,114,275.29
  5. Step 5: Solve for x
    x = 2,828,114,275.29/70,953.56
  6. Step 6: Final answer
    x = 39,858.67

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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.