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Finding the Fourth Proportional to 6,258.80, 8,636.52 and 3,464

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Solution

The fourth proportional to 6,258.80, 8,636.52 and 3,464 is: 4,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.80 : 8,636.52 = 3,464 : x
  2. Step 2: Convert to fraction form
    6,258.80/8,636.52 = 3,464/x
  3. Step 3: Cross multiply
    6,258.80x = 8,636.52 × 3,464
  4. Step 4: Simplify right side
    6,258.80x = 29,916,905.28
  5. Step 5: Solve for x
    x = 29,916,905.28/6,258.80
  6. Step 6: Final answer
    x = 4,779.97

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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.