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Finding the Fourth Proportional to 17,793.60, 26,632.80 and 16,411.20

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Solution

The fourth proportional to 17,793.60, 26,632.80 and 16,411.20 is: 24,563.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,793.60 : 26,632.80 = 16,411.20 : x
  2. Step 2: Convert to fraction form
    17,793.60/26,632.80 = 16,411.20/x
  3. Step 3: Cross multiply
    17,793.60x = 26,632.80 × 16,411.20
  4. Step 4: Simplify right side
    17,793.60x = 437,076,207.36
  5. Step 5: Solve for x
    x = 437,076,207.36/17,793.60
  6. Step 6: Final answer
    x = 24,563.67

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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.