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Finding the Fourth Proportional to 10,655.84, 14,705.55 and 5,940.15

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Solution

The fourth proportional to 10,655.84, 14,705.55 and 5,940.15 is: 8,197.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.84 : 14,705.55 = 5,940.15 : x
  2. Step 2: Convert to fraction form
    10,655.84/14,705.55 = 5,940.15/x
  3. Step 3: Cross multiply
    10,655.84x = 14,705.55 × 5,940.15
  4. Step 4: Simplify right side
    10,655.84x = 87,353,172.83
  5. Step 5: Solve for x
    x = 87,353,172.83/10,655.84
  6. Step 6: Final answer
    x = 8,197.68

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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.