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Finding the Fourth Proportional to 5,380.06, 8,069.12 and 1,483.50

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Solution

The fourth proportional to 5,380.06, 8,069.12 and 1,483.50 is: 2,224.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.06 : 8,069.12 = 1,483.50 : x
  2. Step 2: Convert to fraction form
    5,380.06/8,069.12 = 1,483.50/x
  3. Step 3: Cross multiply
    5,380.06x = 8,069.12 × 1,483.50
  4. Step 4: Simplify right side
    5,380.06x = 11,970,539.52
  5. Step 5: Solve for x
    x = 11,970,539.52/5,380.06
  6. Step 6: Final answer
    x = 2,224.98

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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.