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Finding the Fourth Proportional to 24,362.40, 33,623.92 and 18,400.80

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Solution

The fourth proportional to 24,362.40, 33,623.92 and 18,400.80 is: 25,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,362.40 : 33,623.92 = 18,400.80 : x
  2. Step 2: Convert to fraction form
    24,362.40/33,623.92 = 18,400.80/x
  3. Step 3: Cross multiply
    24,362.40x = 33,623.92 × 18,400.80
  4. Step 4: Simplify right side
    24,362.40x = 618,707,027.14
  5. Step 5: Solve for x
    x = 618,707,027.14/24,362.40
  6. Step 6: Final answer
    x = 25,395.98

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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.