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Finding the Fourth Proportional to 64,977.76, 97,435.92 and 29,907.04

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Solution

The fourth proportional to 64,977.76, 97,435.92 and 29,907.04 is: 44,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,977.76 : 97,435.92 = 29,907.04 : x
  2. Step 2: Convert to fraction form
    64,977.76/97,435.92 = 29,907.04/x
  3. Step 3: Cross multiply
    64,977.76x = 97,435.92 × 29,907.04
  4. Step 4: Simplify right side
    64,977.76x = 2,914,019,956.88
  5. Step 5: Solve for x
    x = 2,914,019,956.88/64,977.76
  6. Step 6: Final answer
    x = 44,846.42

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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.