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Finding the Fourth Proportional to 6,291.24, 8,693.19 and 4,519.77

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Solution

The fourth proportional to 6,291.24, 8,693.19 and 4,519.77 is: 6,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.24 : 8,693.19 = 4,519.77 : x
  2. Step 2: Convert to fraction form
    6,291.24/8,693.19 = 4,519.77/x
  3. Step 3: Cross multiply
    6,291.24x = 8,693.19 × 4,519.77
  4. Step 4: Simplify right side
    6,291.24x = 39,291,219.37
  5. Step 5: Solve for x
    x = 39,291,219.37/6,291.24
  6. Step 6: Final answer
    x = 6,245.39

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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.