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Finding the Fourth Proportional to 69,255.94, 103,801.88 and 31,784.44

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Solution

The fourth proportional to 69,255.94, 103,801.88 and 31,784.44 is: 47,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,255.94 : 103,801.88 = 31,784.44 : x
  2. Step 2: Convert to fraction form
    69,255.94/103,801.88 = 31,784.44/x
  3. Step 3: Cross multiply
    69,255.94x = 103,801.88 × 31,784.44
  4. Step 4: Simplify right side
    69,255.94x = 3,299,284,626.75
  5. Step 5: Solve for x
    x = 3,299,284,626.75/69,255.94
  6. Step 6: Final answer
    x = 47,639.01

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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.