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Finding the Fourth Proportional to 10,808, 14,915.04 and 5,840

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Solution

The fourth proportional to 10,808, 14,915.04 and 5,840 is: 8,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808 : 14,915.04 = 5,840 : x
  2. Step 2: Convert to fraction form
    10,808/14,915.04 = 5,840/x
  3. Step 3: Cross multiply
    10,808x = 14,915.04 × 5,840
  4. Step 4: Simplify right side
    10,808x = 87,103,833.60
  5. Step 5: Solve for x
    x = 87,103,833.60/10,808
  6. Step 6: Final answer
    x = 8,059.20

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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.