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Finding the Fourth Proportional to 64,975.77, 97,485.53 and 29,889

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Solution

The fourth proportional to 64,975.77, 97,485.53 and 29,889 is: 44,843.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,975.77 : 97,485.53 = 29,889 : x
  2. Step 2: Convert to fraction form
    64,975.77/97,485.53 = 29,889/x
  3. Step 3: Cross multiply
    64,975.77x = 97,485.53 × 29,889
  4. Step 4: Simplify right side
    64,975.77x = 2,913,744,856.73
  5. Step 5: Solve for x
    x = 2,913,744,856.73/64,975.77
  6. Step 6: Final answer
    x = 44,843.56

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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.