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Finding the Fourth Proportional to 64,893.45, 97,423.21 and 55,094.99

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Solution

The fourth proportional to 64,893.45, 97,423.21 and 55,094.99 is: 82,712.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,893.45 : 97,423.21 = 55,094.99 : x
  2. Step 2: Convert to fraction form
    64,893.45/97,423.21 = 55,094.99/x
  3. Step 3: Cross multiply
    64,893.45x = 97,423.21 × 55,094.99
  4. Step 4: Simplify right side
    64,893.45x = 5,367,530,052.56
  5. Step 5: Solve for x
    x = 5,367,530,052.56/64,893.45
  6. Step 6: Final answer
    x = 82,712.97

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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.