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Finding the Fourth Proportional to 6,258.78, 8,636.22 and 3,464.28

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Solution

The fourth proportional to 6,258.78, 8,636.22 and 3,464.28 is: 4,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.78 : 8,636.22 = 3,464.28 : x
  2. Step 2: Convert to fraction form
    6,258.78/8,636.22 = 3,464.28/x
  3. Step 3: Cross multiply
    6,258.78x = 8,636.22 × 3,464.28
  4. Step 4: Simplify right side
    6,258.78x = 29,918,284.22
  5. Step 5: Solve for x
    x = 29,918,284.22/6,258.78
  6. Step 6: Final answer
    x = 4,780.21

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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.