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Finding the Fourth Proportional to 64,676.28, 97,014.30 and 17,929.20

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Solution

The fourth proportional to 64,676.28, 97,014.30 and 17,929.20 is: 26,893.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,676.28 : 97,014.30 = 17,929.20 : x
  2. Step 2: Convert to fraction form
    64,676.28/97,014.30 = 17,929.20/x
  3. Step 3: Cross multiply
    64,676.28x = 97,014.30 × 17,929.20
  4. Step 4: Simplify right side
    64,676.28x = 1,739,388,787.56
  5. Step 5: Solve for x
    x = 1,739,388,787.56/64,676.28
  6. Step 6: Final answer
    x = 26,893.77

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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.