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Finding the Fourth Proportional to 6,915.34, 10,363.29 and 3,011.55

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Solution

The fourth proportional to 6,915.34, 10,363.29 and 3,011.55 is: 4,513.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.34 : 10,363.29 = 3,011.55 : x
  2. Step 2: Convert to fraction form
    6,915.34/10,363.29 = 3,011.55/x
  3. Step 3: Cross multiply
    6,915.34x = 10,363.29 × 3,011.55
  4. Step 4: Simplify right side
    6,915.34x = 31,209,566.00
  5. Step 5: Solve for x
    x = 31,209,566.00/6,915.34
  6. Step 6: Final answer
    x = 4,513.09

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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.