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Finding the Fourth Proportional to 50,473.80, 69,647.82 and 28,962.45

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Solution

The fourth proportional to 50,473.80, 69,647.82 and 28,962.45 is: 39,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,473.80 : 69,647.82 = 28,962.45 : x
  2. Step 2: Convert to fraction form
    50,473.80/69,647.82 = 28,962.45/x
  3. Step 3: Cross multiply
    50,473.80x = 69,647.82 × 28,962.45
  4. Step 4: Simplify right side
    50,473.80x = 2,017,171,504.36
  5. Step 5: Solve for x
    x = 2,017,171,504.36/50,473.80
  6. Step 6: Final answer
    x = 39,964.72

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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.