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Finding the Fourth Proportional to 8,715.42, 12,027.12 and 4,736.59

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Solution

The fourth proportional to 8,715.42, 12,027.12 and 4,736.59 is: 6,536.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.42 : 12,027.12 = 4,736.59 : x
  2. Step 2: Convert to fraction form
    8,715.42/12,027.12 = 4,736.59/x
  3. Step 3: Cross multiply
    8,715.42x = 12,027.12 × 4,736.59
  4. Step 4: Simplify right side
    8,715.42x = 56,967,536.32
  5. Step 5: Solve for x
    x = 56,967,536.32/8,715.42
  6. Step 6: Final answer
    x = 6,536.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.