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Finding the Fourth Proportional to 69,253.44, 103,880.32 and 39,650.88

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Solution

The fourth proportional to 69,253.44, 103,880.32 and 39,650.88 is: 59,476.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,253.44 : 103,880.32 = 39,650.88 : x
  2. Step 2: Convert to fraction form
    69,253.44/103,880.32 = 39,650.88/x
  3. Step 3: Cross multiply
    69,253.44x = 103,880.32 × 39,650.88
  4. Step 4: Simplify right side
    69,253.44x = 4,118,946,102.68
  5. Step 5: Solve for x
    x = 4,118,946,102.68/69,253.44
  6. Step 6: Final answer
    x = 59,476.41

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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.