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Finding the Fourth Proportional to 23,920.68, 33,009.03 and 13,310.04

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Solution

The fourth proportional to 23,920.68, 33,009.03 and 13,310.04 is: 18,367.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,920.68 : 33,009.03 = 13,310.04 : x
  2. Step 2: Convert to fraction form
    23,920.68/33,009.03 = 13,310.04/x
  3. Step 3: Cross multiply
    23,920.68x = 33,009.03 × 13,310.04
  4. Step 4: Simplify right side
    23,920.68x = 439,351,509.66
  5. Step 5: Solve for x
    x = 439,351,509.66/23,920.68
  6. Step 6: Final answer
    x = 18,367.02

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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.