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Finding the Fourth Proportional to 6,404.36, 8,828.34 and 5,004.68

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Solution

The fourth proportional to 6,404.36, 8,828.34 and 5,004.68 is: 6,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,404.36 : 8,828.34 = 5,004.68 : x
  2. Step 2: Convert to fraction form
    6,404.36/8,828.34 = 5,004.68/x
  3. Step 3: Cross multiply
    6,404.36x = 8,828.34 × 5,004.68
  4. Step 4: Simplify right side
    6,404.36x = 44,183,016.63
  5. Step 5: Solve for x
    x = 44,183,016.63/6,404.36
  6. Step 6: Final answer
    x = 6,898.90

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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.