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Finding the Fourth Proportional to 8,927.06, 12,320.08 and 4,949.42

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Solution

The fourth proportional to 8,927.06, 12,320.08 and 4,949.42 is: 6,830.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.06 : 12,320.08 = 4,949.42 : x
  2. Step 2: Convert to fraction form
    8,927.06/12,320.08 = 4,949.42/x
  3. Step 3: Cross multiply
    8,927.06x = 12,320.08 × 4,949.42
  4. Step 4: Simplify right side
    8,927.06x = 60,977,250.35
  5. Step 5: Solve for x
    x = 60,977,250.35/8,927.06
  6. Step 6: Final answer
    x = 6,830.61

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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.