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Finding the Fourth Proportional to 64,483.79, 96,735.36 and 20,114.01

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Solution

The fourth proportional to 64,483.79, 96,735.36 and 20,114.01 is: 30,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,483.79 : 96,735.36 = 20,114.01 : x
  2. Step 2: Convert to fraction form
    64,483.79/96,735.36 = 20,114.01/x
  3. Step 3: Cross multiply
    64,483.79x = 96,735.36 × 20,114.01
  4. Step 4: Simplify right side
    64,483.79x = 1,945,735,998.39
  5. Step 5: Solve for x
    x = 1,945,735,998.39/64,483.79
  6. Step 6: Final answer
    x = 30,174.04

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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.