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Finding the Fourth Proportional to 5,408.58, 8,103.15 and 5,029.50

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Solution

The fourth proportional to 5,408.58, 8,103.15 and 5,029.50 is: 7,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.58 : 8,103.15 = 5,029.50 : x
  2. Step 2: Convert to fraction form
    5,408.58/8,103.15 = 5,029.50/x
  3. Step 3: Cross multiply
    5,408.58x = 8,103.15 × 5,029.50
  4. Step 4: Simplify right side
    5,408.58x = 40,754,792.93
  5. Step 5: Solve for x
    x = 40,754,792.93/5,408.58
  6. Step 6: Final answer
    x = 7,535.21

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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.