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Finding the Fourth Proportional to 5,611.41, 8,415.02 and 1,862.51

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Solution

The fourth proportional to 5,611.41, 8,415.02 and 1,862.51 is: 2,793.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.41 : 8,415.02 = 1,862.51 : x
  2. Step 2: Convert to fraction form
    5,611.41/8,415.02 = 1,862.51/x
  3. Step 3: Cross multiply
    5,611.41x = 8,415.02 × 1,862.51
  4. Step 4: Simplify right side
    5,611.41x = 15,673,007.51
  5. Step 5: Solve for x
    x = 15,673,007.51/5,611.41
  6. Step 6: Final answer
    x = 2,793.06

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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.