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Finding the Fourth Proportional to 64,758.70, 97,150.32 and 25,313.32

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Solution

The fourth proportional to 64,758.70, 97,150.32 and 25,313.32 is: 37,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,758.70 : 97,150.32 = 25,313.32 : x
  2. Step 2: Convert to fraction form
    64,758.70/97,150.32 = 25,313.32/x
  3. Step 3: Cross multiply
    64,758.70x = 97,150.32 × 25,313.32
  4. Step 4: Simplify right side
    64,758.70x = 2,459,197,138.26
  5. Step 5: Solve for x
    x = 2,459,197,138.26/64,758.70
  6. Step 6: Final answer
    x = 37,974.78

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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.