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Finding the Fourth Proportional to 69,704.42, 96,170.91 and 39,484.94

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Solution

The fourth proportional to 69,704.42, 96,170.91 and 39,484.94 is: 54,477.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,704.42 : 96,170.91 = 39,484.94 : x
  2. Step 2: Convert to fraction form
    69,704.42/96,170.91 = 39,484.94/x
  3. Step 3: Cross multiply
    69,704.42x = 96,170.91 × 39,484.94
  4. Step 4: Simplify right side
    69,704.42x = 3,797,302,611.10
  5. Step 5: Solve for x
    x = 3,797,302,611.10/69,704.42
  6. Step 6: Final answer
    x = 54,477.21

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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.