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Finding the Fourth Proportional to 23,991.93, 36,004.32 and 8,409.60

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Solution

The fourth proportional to 23,991.93, 36,004.32 and 8,409.60 is: 12,620.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,991.93 : 36,004.32 = 8,409.60 : x
  2. Step 2: Convert to fraction form
    23,991.93/36,004.32 = 8,409.60/x
  3. Step 3: Cross multiply
    23,991.93x = 36,004.32 × 8,409.60
  4. Step 4: Simplify right side
    23,991.93x = 302,781,929.47
  5. Step 5: Solve for x
    x = 302,781,929.47/23,991.93
  6. Step 6: Final answer
    x = 12,620.16

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1.5x scale

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.