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Finding the Fourth Proportional to 4,745.93, 7,118.90 and 1,625.96

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Solution

The fourth proportional to 4,745.93, 7,118.90 and 1,625.96 is: 2,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.93 : 7,118.90 = 1,625.96 : x
  2. Step 2: Convert to fraction form
    4,745.93/7,118.90 = 1,625.96/x
  3. Step 3: Cross multiply
    4,745.93x = 7,118.90 × 1,625.96
  4. Step 4: Simplify right side
    4,745.93x = 11,575,035.71
  5. Step 5: Solve for x
    x = 11,575,035.71/4,745.93
  6. Step 6: Final answer
    x = 2,438.94

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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.