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Finding the Fourth Proportional to 5,404.55, 8,106.84 and 1,508.94

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Solution

The fourth proportional to 5,404.55, 8,106.84 and 1,508.94 is: 2,263.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.55 : 8,106.84 = 1,508.94 : x
  2. Step 2: Convert to fraction form
    5,404.55/8,106.84 = 1,508.94/x
  3. Step 3: Cross multiply
    5,404.55x = 8,106.84 × 1,508.94
  4. Step 4: Simplify right side
    5,404.55x = 12,232,735.15
  5. Step 5: Solve for x
    x = 12,232,735.15/5,404.55
  6. Step 6: Final answer
    x = 2,263.42

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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.