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Finding the Fourth Proportional to 19,325.00, 28,997.22 and 7,648.04

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Solution

The fourth proportional to 19,325.00, 28,997.22 and 7,648.04 is: 11,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.00 : 28,997.22 = 7,648.04 : x
  2. Step 2: Convert to fraction form
    19,325.00/28,997.22 = 7,648.04/x
  3. Step 3: Cross multiply
    19,325.00x = 28,997.22 × 7,648.04
  4. Step 4: Simplify right side
    19,325.00x = 221,771,753.46
  5. Step 5: Solve for x
    x = 221,771,753.46/19,325.00
  6. Step 6: Final answer
    x = 11,475.90

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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.