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Finding the Fourth Proportional to 3,672.86, 5,510.04 and 2,133.50

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Solution

The fourth proportional to 3,672.86, 5,510.04 and 2,133.50 is: 3,200.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.86 : 5,510.04 = 2,133.50 : x
  2. Step 2: Convert to fraction form
    3,672.86/5,510.04 = 2,133.50/x
  3. Step 3: Cross multiply
    3,672.86x = 5,510.04 × 2,133.50
  4. Step 4: Simplify right side
    3,672.86x = 11,755,670.34
  5. Step 5: Solve for x
    x = 11,755,670.34/3,672.86
  6. Step 6: Final answer
    x = 3,200.69

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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.