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Finding the Fourth Proportional to 50,309.90, 69,424.30 and 27,648.40

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Solution

The fourth proportional to 50,309.90, 69,424.30 and 27,648.40 is: 38,152.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,309.90 : 69,424.30 = 27,648.40 : x
  2. Step 2: Convert to fraction form
    50,309.90/69,424.30 = 27,648.40/x
  3. Step 3: Cross multiply
    50,309.90x = 69,424.30 × 27,648.40
  4. Step 4: Simplify right side
    50,309.90x = 1,919,470,816.12
  5. Step 5: Solve for x
    x = 1,919,470,816.12/50,309.90
  6. Step 6: Final answer
    x = 38,152.94

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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.