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Finding the Fourth Proportional to 6,289.44, 9,434.16 and 2,829.60

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Solution

The fourth proportional to 6,289.44, 9,434.16 and 2,829.60 is: 4,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.44 : 9,434.16 = 2,829.60 : x
  2. Step 2: Convert to fraction form
    6,289.44/9,434.16 = 2,829.60/x
  3. Step 3: Cross multiply
    6,289.44x = 9,434.16 × 2,829.60
  4. Step 4: Simplify right side
    6,289.44x = 26,694,899.14
  5. Step 5: Solve for x
    x = 26,694,899.14/6,289.44
  6. Step 6: Final answer
    x = 4,244.40

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1.5x scale

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.