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Finding the Fourth Proportional to 7,014.06, 9,679.50 and 3,870.32

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Solution

The fourth proportional to 7,014.06, 9,679.50 and 3,870.32 is: 5,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.06 : 9,679.50 = 3,870.32 : x
  2. Step 2: Convert to fraction form
    7,014.06/9,679.50 = 3,870.32/x
  3. Step 3: Cross multiply
    7,014.06x = 9,679.50 × 3,870.32
  4. Step 4: Simplify right side
    7,014.06x = 37,462,714.04
  5. Step 5: Solve for x
    x = 37,462,714.04/7,014.06
  6. Step 6: Final answer
    x = 5,341.09

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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.