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Finding the Fourth Proportional to 19,544.28, 29,316.01 and 4,753.28

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Solution

The fourth proportional to 19,544.28, 29,316.01 and 4,753.28 is: 7,129.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,544.28 : 29,316.01 = 4,753.28 : x
  2. Step 2: Convert to fraction form
    19,544.28/29,316.01 = 4,753.28/x
  3. Step 3: Cross multiply
    19,544.28x = 29,316.01 × 4,753.28
  4. Step 4: Simplify right side
    19,544.28x = 139,347,057.43
  5. Step 5: Solve for x
    x = 139,347,057.43/19,544.28
  6. Step 6: Final answer
    x = 7,129.81

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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.