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Finding the Fourth Proportional to 8,709.41, 12,019.10 and 4,730.59

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Solution

The fourth proportional to 8,709.41, 12,019.10 and 4,730.59 is: 6,528.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.41 : 12,019.10 = 4,730.59 : x
  2. Step 2: Convert to fraction form
    8,709.41/12,019.10 = 4,730.59/x
  3. Step 3: Cross multiply
    8,709.41x = 12,019.10 × 4,730.59
  4. Step 4: Simplify right side
    8,709.41x = 56,857,410.62
  5. Step 5: Solve for x
    x = 56,857,410.62/8,709.41
  6. Step 6: Final answer
    x = 6,528.27

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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.