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Finding the Fourth Proportional to 64,892.39, 97,338.59 and 18,145.27

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Solution

The fourth proportional to 64,892.39, 97,338.59 and 18,145.27 is: 27,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,892.39 : 97,338.59 = 18,145.27 : x
  2. Step 2: Convert to fraction form
    64,892.39/97,338.59 = 18,145.27/x
  3. Step 3: Cross multiply
    64,892.39x = 97,338.59 × 18,145.27
  4. Step 4: Simplify right side
    64,892.39x = 1,766,234,497.40
  5. Step 5: Solve for x
    x = 1,766,234,497.40/64,892.39
  6. Step 6: Final answer
    x = 27,217.90

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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.