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Finding the Fourth Proportional to 5,483.63, 8,226.03 and 1,786.15

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Solution

The fourth proportional to 5,483.63, 8,226.03 and 1,786.15 is: 2,679.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.63 : 8,226.03 = 1,786.15 : x
  2. Step 2: Convert to fraction form
    5,483.63/8,226.03 = 1,786.15/x
  3. Step 3: Cross multiply
    5,483.63x = 8,226.03 × 1,786.15
  4. Step 4: Simplify right side
    5,483.63x = 14,692,928.19
  5. Step 5: Solve for x
    x = 14,692,928.19/5,483.63
  6. Step 6: Final answer
    x = 2,679.41

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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.