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Finding the Fourth Proportional to 86,993.84, 130,454.04 and 27,014.96

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Solution

The fourth proportional to 86,993.84, 130,454.04 and 27,014.96 is: 40,511.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,993.84 : 130,454.04 = 27,014.96 : x
  2. Step 2: Convert to fraction form
    86,993.84/130,454.04 = 27,014.96/x
  3. Step 3: Cross multiply
    86,993.84x = 130,454.04 × 27,014.96
  4. Step 4: Simplify right side
    86,993.84x = 3,524,210,672.44
  5. Step 5: Solve for x
    x = 3,524,210,672.44/86,993.84
  6. Step 6: Final answer
    x = 40,511.04

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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.