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Finding the Fourth Proportional to 8,913.12, 12,293.73 and 5,927.46

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Solution

The fourth proportional to 8,913.12, 12,293.73 and 5,927.46 is: 8,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.12 : 12,293.73 = 5,927.46 : x
  2. Step 2: Convert to fraction form
    8,913.12/12,293.73 = 5,927.46/x
  3. Step 3: Cross multiply
    8,913.12x = 12,293.73 × 5,927.46
  4. Step 4: Simplify right side
    8,913.12x = 72,870,592.83
  5. Step 5: Solve for x
    x = 72,870,592.83/8,913.12
  6. Step 6: Final answer
    x = 8,175.65

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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.