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Finding the Fourth Proportional to 50,504.25, 69,698.03 and 28,148.25

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Solution

The fourth proportional to 50,504.25, 69,698.03 and 28,148.25 is: 38,845.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,504.25 : 69,698.03 = 28,148.25 : x
  2. Step 2: Convert to fraction form
    50,504.25/69,698.03 = 28,148.25/x
  3. Step 3: Cross multiply
    50,504.25x = 69,698.03 × 28,148.25
  4. Step 4: Simplify right side
    50,504.25x = 1,961,877,432.21
  5. Step 5: Solve for x
    x = 1,961,877,432.21/50,504.25
  6. Step 6: Final answer
    x = 38,845.79

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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.