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Finding the Fourth Proportional to 64,967.73, 97,455.06 and 20,597.96

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Solution

The fourth proportional to 64,967.73, 97,455.06 and 20,597.96 is: 30,898.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,967.73 : 97,455.06 = 20,597.96 : x
  2. Step 2: Convert to fraction form
    64,967.73/97,455.06 = 20,597.96/x
  3. Step 3: Cross multiply
    64,967.73x = 97,455.06 × 20,597.96
  4. Step 4: Simplify right side
    64,967.73x = 2,007,374,940.40
  5. Step 5: Solve for x
    x = 2,007,374,940.40/64,967.73
  6. Step 6: Final answer
    x = 30,898.03

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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.