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Finding the Fourth Proportional to 6,836.28, 9,422.72 and 5,417.46

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Solution

The fourth proportional to 6,836.28, 9,422.72 and 5,417.46 is: 7,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,836.28 : 9,422.72 = 5,417.46 : x
  2. Step 2: Convert to fraction form
    6,836.28/9,422.72 = 5,417.46/x
  3. Step 3: Cross multiply
    6,836.28x = 9,422.72 × 5,417.46
  4. Step 4: Simplify right side
    6,836.28x = 51,047,181.60
  5. Step 5: Solve for x
    x = 51,047,181.60/6,836.28
  6. Step 6: Final answer
    x = 7,467.10

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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.