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Finding the Fourth Proportional to 18,043.48, 24,904.02 and 10,968.40

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Solution

The fourth proportional to 18,043.48, 24,904.02 and 10,968.40 is: 15,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.48 : 24,904.02 = 10,968.40 : x
  2. Step 2: Convert to fraction form
    18,043.48/24,904.02 = 10,968.40/x
  3. Step 3: Cross multiply
    18,043.48x = 24,904.02 × 10,968.40
  4. Step 4: Simplify right side
    18,043.48x = 273,157,252.97
  5. Step 5: Solve for x
    x = 273,157,252.97/18,043.48
  6. Step 6: Final answer
    x = 15,138.83

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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.