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Finding the Fourth Proportional to 8,575.15, 12,853.34 and 4,415.41

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Solution

The fourth proportional to 8,575.15, 12,853.34 and 4,415.41 is: 6,618.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.15 : 12,853.34 = 4,415.41 : x
  2. Step 2: Convert to fraction form
    8,575.15/12,853.34 = 4,415.41/x
  3. Step 3: Cross multiply
    8,575.15x = 12,853.34 × 4,415.41
  4. Step 4: Simplify right side
    8,575.15x = 56,752,752.92
  5. Step 5: Solve for x
    x = 56,752,752.92/8,575.15
  6. Step 6: Final answer
    x = 6,618.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.