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Finding the Fourth Proportional to 8,558.92, 11,810.14 and 4,781.62

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Solution

The fourth proportional to 8,558.92, 11,810.14 and 4,781.62 is: 6,597.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.92 : 11,810.14 = 4,781.62 : x
  2. Step 2: Convert to fraction form
    8,558.92/11,810.14 = 4,781.62/x
  3. Step 3: Cross multiply
    8,558.92x = 11,810.14 × 4,781.62
  4. Step 4: Simplify right side
    8,558.92x = 56,471,577.72
  5. Step 5: Solve for x
    x = 56,471,577.72/8,558.92
  6. Step 6: Final answer
    x = 6,597.98

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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.