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Finding the Fourth Proportional to 64,892.52, 97,338.96 and 18,145.80

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Solution

The fourth proportional to 64,892.52, 97,338.96 and 18,145.80 is: 27,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,892.52 : 97,338.96 = 18,145.80 : x
  2. Step 2: Convert to fraction form
    64,892.52/97,338.96 = 18,145.80/x
  3. Step 3: Cross multiply
    64,892.52x = 97,338.96 × 18,145.80
  4. Step 4: Simplify right side
    64,892.52x = 1,766,293,300.37
  5. Step 5: Solve for x
    x = 1,766,293,300.37/64,892.52
  6. Step 6: Final answer
    x = 27,218.75

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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.