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Finding the Fourth Proportional to 69,642.51, 96,107.36 and 37,811.67

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Solution

The fourth proportional to 69,642.51, 96,107.36 and 37,811.67 is: 52,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,642.51 : 96,107.36 = 37,811.67 : x
  2. Step 2: Convert to fraction form
    69,642.51/96,107.36 = 37,811.67/x
  3. Step 3: Cross multiply
    69,642.51x = 96,107.36 × 37,811.67
  4. Step 4: Simplify right side
    69,642.51x = 3,633,979,591.83
  5. Step 5: Solve for x
    x = 3,633,979,591.83/69,642.51
  6. Step 6: Final answer
    x = 52,180.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.