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Finding the Fourth Proportional to 8,745.88, 13,114.10 and 4,575.86

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Solution

The fourth proportional to 8,745.88, 13,114.10 and 4,575.86 is: 6,861.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.88 : 13,114.10 = 4,575.86 : x
  2. Step 2: Convert to fraction form
    8,745.88/13,114.10 = 4,575.86/x
  3. Step 3: Cross multiply
    8,745.88x = 13,114.10 × 4,575.86
  4. Step 4: Simplify right side
    8,745.88x = 60,008,285.63
  5. Step 5: Solve for x
    x = 60,008,285.63/8,745.88
  6. Step 6: Final answer
    x = 6,861.32

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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.