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Finding the Fourth Proportional to 70,576.48, 105,906.24 and 26,234.40

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Solution

The fourth proportional to 70,576.48, 105,906.24 and 26,234.40 is: 39,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,576.48 : 105,906.24 = 26,234.40 : x
  2. Step 2: Convert to fraction form
    70,576.48/105,906.24 = 26,234.40/x
  3. Step 3: Cross multiply
    70,576.48x = 105,906.24 × 26,234.40
  4. Step 4: Simplify right side
    70,576.48x = 2,778,386,662.66
  5. Step 5: Solve for x
    x = 2,778,386,662.66/70,576.48
  6. Step 6: Final answer
    x = 39,367.03

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1.5x scale

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.