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Finding the Fourth Proportional to 46,631, 70,007.44 and 27,690.20

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Solution

The fourth proportional to 46,631, 70,007.44 and 27,690.20 is: 41,571.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,631 : 70,007.44 = 27,690.20 : x
  2. Step 2: Convert to fraction form
    46,631/70,007.44 = 27,690.20/x
  3. Step 3: Cross multiply
    46,631x = 70,007.44 × 27,690.20
  4. Step 4: Simplify right side
    46,631x = 1,938,520,015.09
  5. Step 5: Solve for x
    x = 1,938,520,015.09/46,631
  6. Step 6: Final answer
    x = 41,571.49

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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.