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Finding the Fourth Proportional to 50,506.26, 69,700.78 and 28,150.26

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Solution

The fourth proportional to 50,506.26, 69,700.78 and 28,150.26 is: 38,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,506.26 : 69,700.78 = 28,150.26 : x
  2. Step 2: Convert to fraction form
    50,506.26/69,700.78 = 28,150.26/x
  3. Step 3: Cross multiply
    50,506.26x = 69,700.78 × 28,150.26
  4. Step 4: Simplify right side
    50,506.26x = 1,962,095,079.20
  5. Step 5: Solve for x
    x = 1,962,095,079.20/50,506.26
  6. Step 6: Final answer
    x = 38,848.55

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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.