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Finding the Fourth Proportional to 34,993.56, 48,292.44 and 19,888.80

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Solution

The fourth proportional to 34,993.56, 48,292.44 and 19,888.80 is: 27,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,993.56 : 48,292.44 = 19,888.80 : x
  2. Step 2: Convert to fraction form
    34,993.56/48,292.44 = 19,888.80/x
  3. Step 3: Cross multiply
    34,993.56x = 48,292.44 × 19,888.80
  4. Step 4: Simplify right side
    34,993.56x = 960,478,680.67
  5. Step 5: Solve for x
    x = 960,478,680.67/34,993.56
  6. Step 6: Final answer
    x = 27,447.30

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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.