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Finding the Fourth Proportional to 6,617.30, 9,913.02 and 3,492.62

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Solution

The fourth proportional to 6,617.30, 9,913.02 and 3,492.62 is: 5,232.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.30 : 9,913.02 = 3,492.62 : x
  2. Step 2: Convert to fraction form
    6,617.30/9,913.02 = 3,492.62/x
  3. Step 3: Cross multiply
    6,617.30x = 9,913.02 × 3,492.62
  4. Step 4: Simplify right side
    6,617.30x = 34,622,411.91
  5. Step 5: Solve for x
    x = 34,622,411.91/6,617.30
  6. Step 6: Final answer
    x = 5,232.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.