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Finding the Fourth Proportional to 6,258.63, 8,636.79 and 3,464.13

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Solution

The fourth proportional to 6,258.63, 8,636.79 and 3,464.13 is: 4,780.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.63 : 8,636.79 = 3,464.13 : x
  2. Step 2: Convert to fraction form
    6,258.63/8,636.79 = 3,464.13/x
  3. Step 3: Cross multiply
    6,258.63x = 8,636.79 × 3,464.13
  4. Step 4: Simplify right side
    6,258.63x = 29,918,963.34
  5. Step 5: Solve for x
    x = 29,918,963.34/6,258.63
  6. Step 6: Final answer
    x = 4,780.43

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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.