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Finding the Fourth Proportional to 6,812.03, 9,400.72 and 3,746.02

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Solution

The fourth proportional to 6,812.03, 9,400.72 and 3,746.02 is: 5,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.03 : 9,400.72 = 3,746.02 : x
  2. Step 2: Convert to fraction form
    6,812.03/9,400.72 = 3,746.02/x
  3. Step 3: Cross multiply
    6,812.03x = 9,400.72 × 3,746.02
  4. Step 4: Simplify right side
    6,812.03x = 35,215,237.28
  5. Step 5: Solve for x
    x = 35,215,237.28/6,812.03
  6. Step 6: Final answer
    x = 5,169.56

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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.