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Finding the Fourth Proportional to 18,004.84, 26,968.86 and 13,573.48

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Solution

The fourth proportional to 18,004.84, 26,968.86 and 13,573.48 is: 20,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004.84 : 26,968.86 = 13,573.48 : x
  2. Step 2: Convert to fraction form
    18,004.84/26,968.86 = 13,573.48/x
  3. Step 3: Cross multiply
    18,004.84x = 26,968.86 × 13,573.48
  4. Step 4: Simplify right side
    18,004.84x = 366,061,281.83
  5. Step 5: Solve for x
    x = 366,061,281.83/18,004.84
  6. Step 6: Final answer
    x = 20,331.27

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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.