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Finding the Fourth Proportional to 70,495.92, 105,745.74 and 27,799.56

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Solution

The fourth proportional to 70,495.92, 105,745.74 and 27,799.56 is: 41,700.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,495.92 : 105,745.74 = 27,799.56 : x
  2. Step 2: Convert to fraction form
    70,495.92/105,745.74 = 27,799.56/x
  3. Step 3: Cross multiply
    70,495.92x = 105,745.74 × 27,799.56
  4. Step 4: Simplify right side
    70,495.92x = 2,939,685,043.87
  5. Step 5: Solve for x
    x = 2,939,685,043.87/70,495.92
  6. Step 6: Final answer
    x = 41,700.07

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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.