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Finding the Fourth Proportional to 23,392.94, 32,289.94 and 18,621.63

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Solution

The fourth proportional to 23,392.94, 32,289.94 and 18,621.63 is: 25,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,392.94 : 32,289.94 = 18,621.63 : x
  2. Step 2: Convert to fraction form
    23,392.94/32,289.94 = 18,621.63/x
  3. Step 3: Cross multiply
    23,392.94x = 32,289.94 × 18,621.63
  4. Step 4: Simplify right side
    23,392.94x = 601,291,338.68
  5. Step 5: Solve for x
    x = 601,291,338.68/23,392.94
  6. Step 6: Final answer
    x = 25,703.97

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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.