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Finding the Fourth Proportional to 6,354.60, 8,772.45 and 4,231.39

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Solution

The fourth proportional to 6,354.60, 8,772.45 and 4,231.39 is: 5,841.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,354.60 : 8,772.45 = 4,231.39 : x
  2. Step 2: Convert to fraction form
    6,354.60/8,772.45 = 4,231.39/x
  3. Step 3: Cross multiply
    6,354.60x = 8,772.45 × 4,231.39
  4. Step 4: Simplify right side
    6,354.60x = 37,119,635.27
  5. Step 5: Solve for x
    x = 37,119,635.27/6,354.60
  6. Step 6: Final answer
    x = 5,841.38

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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.