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Finding the Fourth Proportional to 50,345, 69,476.10 and 27,993.32

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Solution

The fourth proportional to 50,345, 69,476.10 and 27,993.32 is: 38,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,345 : 69,476.10 = 27,993.32 : x
  2. Step 2: Convert to fraction form
    50,345/69,476.10 = 27,993.32/x
  3. Step 3: Cross multiply
    50,345x = 69,476.10 × 27,993.32
  4. Step 4: Simplify right side
    50,345x = 1,944,866,699.65
  5. Step 5: Solve for x
    x = 1,944,866,699.65/50,345
  6. Step 6: Final answer
    x = 38,630.78

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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.