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Finding the Fourth Proportional to 64,733, 97,122.72 and 25,318.40

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Solution

The fourth proportional to 64,733, 97,122.72 and 25,318.40 is: 37,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,733 : 97,122.72 = 25,318.40 : x
  2. Step 2: Convert to fraction form
    64,733/97,122.72 = 25,318.40/x
  3. Step 3: Cross multiply
    64,733x = 97,122.72 × 25,318.40
  4. Step 4: Simplify right side
    64,733x = 2,458,991,874.05
  5. Step 5: Solve for x
    x = 2,458,991,874.05/64,733
  6. Step 6: Final answer
    x = 37,986.68

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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.