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Finding the Fourth Proportional to 6,153.14, 8,492.72 and 3,913.26

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Solution

The fourth proportional to 6,153.14, 8,492.72 and 3,913.26 is: 5,401.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.14 : 8,492.72 = 3,913.26 : x
  2. Step 2: Convert to fraction form
    6,153.14/8,492.72 = 3,913.26/x
  3. Step 3: Cross multiply
    6,153.14x = 8,492.72 × 3,913.26
  4. Step 4: Simplify right side
    6,153.14x = 33,234,201.90
  5. Step 5: Solve for x
    x = 33,234,201.90/6,153.14
  6. Step 6: Final answer
    x = 5,401.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.