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Finding the Fourth Proportional to 69,642.70, 96,106.64 and 37,811.59

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Solution

The fourth proportional to 69,642.70, 96,106.64 and 37,811.59 is: 52,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,642.70 : 96,106.64 = 37,811.59 : x
  2. Step 2: Convert to fraction form
    69,642.70/96,106.64 = 37,811.59/x
  3. Step 3: Cross multiply
    69,642.70x = 96,106.64 × 37,811.59
  4. Step 4: Simplify right side
    69,642.70x = 3,633,944,867.96
  5. Step 5: Solve for x
    x = 3,633,944,867.96/69,642.70
  6. Step 6: Final answer
    x = 52,179.84

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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.