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Finding the Fourth Proportional to 6,784.70, 9,362.46 and 3,800.51

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Solution

The fourth proportional to 6,784.70, 9,362.46 and 3,800.51 is: 5,244.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784.70 : 9,362.46 = 3,800.51 : x
  2. Step 2: Convert to fraction form
    6,784.70/9,362.46 = 3,800.51/x
  3. Step 3: Cross multiply
    6,784.70x = 9,362.46 × 3,800.51
  4. Step 4: Simplify right side
    6,784.70x = 35,582,146.26
  5. Step 5: Solve for x
    x = 35,582,146.26/6,784.70
  6. Step 6: Final answer
    x = 5,244.47

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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.