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Finding the Fourth Proportional to 6,147.88, 8,484.04 and 3,495.29

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Solution

The fourth proportional to 6,147.88, 8,484.04 and 3,495.29 is: 4,823.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.88 : 8,484.04 = 3,495.29 : x
  2. Step 2: Convert to fraction form
    6,147.88/8,484.04 = 3,495.29/x
  3. Step 3: Cross multiply
    6,147.88x = 8,484.04 × 3,495.29
  4. Step 4: Simplify right side
    6,147.88x = 29,654,171.43
  5. Step 5: Solve for x
    x = 29,654,171.43/6,147.88
  6. Step 6: Final answer
    x = 4,823.48

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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.