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Finding the Fourth Proportional to 7,133.52, 10,701.08 and 1,939.44

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Solution

The fourth proportional to 7,133.52, 10,701.08 and 1,939.44 is: 2,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.52 : 10,701.08 = 1,939.44 : x
  2. Step 2: Convert to fraction form
    7,133.52/10,701.08 = 1,939.44/x
  3. Step 3: Cross multiply
    7,133.52x = 10,701.08 × 1,939.44
  4. Step 4: Simplify right side
    7,133.52x = 20,754,102.60
  5. Step 5: Solve for x
    x = 20,754,102.60/7,133.52
  6. Step 6: Final answer
    x = 2,909.38

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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.