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Finding the Fourth Proportional to 8,669.44, 13,004.60 and 4,970.68

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Solution

The fourth proportional to 8,669.44, 13,004.60 and 4,970.68 is: 7,456.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.44 : 13,004.60 = 4,970.68 : x
  2. Step 2: Convert to fraction form
    8,669.44/13,004.60 = 4,970.68/x
  3. Step 3: Cross multiply
    8,669.44x = 13,004.60 × 4,970.68
  4. Step 4: Simplify right side
    8,669.44x = 64,641,705.13
  5. Step 5: Solve for x
    x = 64,641,705.13/8,669.44
  6. Step 6: Final answer
    x = 7,456.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.