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Finding the Fourth Proportional to 11,373.02, 17,031 and 7,200.44

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Solution

The fourth proportional to 11,373.02, 17,031 and 7,200.44 is: 10,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.02 : 17,031 = 7,200.44 : x
  2. Step 2: Convert to fraction form
    11,373.02/17,031 = 7,200.44/x
  3. Step 3: Cross multiply
    11,373.02x = 17,031 × 7,200.44
  4. Step 4: Simplify right side
    11,373.02x = 122,630,693.64
  5. Step 5: Solve for x
    x = 122,630,693.64/11,373.02
  6. Step 6: Final answer
    x = 10,782.60

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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.