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Finding the Fourth Proportional to 6,718.92, 9,272.16 and 3,735.03

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Solution

The fourth proportional to 6,718.92, 9,272.16 and 3,735.03 is: 5,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.92 : 9,272.16 = 3,735.03 : x
  2. Step 2: Convert to fraction form
    6,718.92/9,272.16 = 3,735.03/x
  3. Step 3: Cross multiply
    6,718.92x = 9,272.16 × 3,735.03
  4. Step 4: Simplify right side
    6,718.92x = 34,631,795.76
  5. Step 5: Solve for x
    x = 34,631,795.76/6,718.92
  6. Step 6: Final answer
    x = 5,154.37

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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.