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Finding the Fourth Proportional to 6,152.35, 8,487.69 and 3,915.46

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Solution

The fourth proportional to 6,152.35, 8,487.69 and 3,915.46 is: 5,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,152.35 : 8,487.69 = 3,915.46 : x
  2. Step 2: Convert to fraction form
    6,152.35/8,487.69 = 3,915.46/x
  3. Step 3: Cross multiply
    6,152.35x = 8,487.69 × 3,915.46
  4. Step 4: Simplify right side
    6,152.35x = 33,233,210.69
  5. Step 5: Solve for x
    x = 33,233,210.69/6,152.35
  6. Step 6: Final answer
    x = 5,401.71

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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.