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Finding the Fourth Proportional to 64,998.45, 97,515.90 and 27,576.45

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Solution

The fourth proportional to 64,998.45, 97,515.90 and 27,576.45 is: 41,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,998.45 : 97,515.90 = 27,576.45 : x
  2. Step 2: Convert to fraction form
    64,998.45/97,515.90 = 27,576.45/x
  3. Step 3: Cross multiply
    64,998.45x = 97,515.90 × 27,576.45
  4. Step 4: Simplify right side
    64,998.45x = 2,689,142,340.56
  5. Step 5: Solve for x
    x = 2,689,142,340.56/64,998.45
  6. Step 6: Final answer
    x = 41,372.41

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1.5x scale

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.