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Finding the Fourth Proportional to 16,185.64, 24,293.86 and 7,870.18

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Solution

The fourth proportional to 16,185.64, 24,293.86 and 7,870.18 is: 11,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,185.64 : 24,293.86 = 7,870.18 : x
  2. Step 2: Convert to fraction form
    16,185.64/24,293.86 = 7,870.18/x
  3. Step 3: Cross multiply
    16,185.64x = 24,293.86 × 7,870.18
  4. Step 4: Simplify right side
    16,185.64x = 191,197,051.09
  5. Step 5: Solve for x
    x = 191,197,051.09/16,185.64
  6. Step 6: Final answer
    x = 11,812.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.