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Finding the Fourth Proportional to 64,979.88, 97,450.20 and 33,798.12

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Solution

The fourth proportional to 64,979.88, 97,450.20 and 33,798.12 is: 50,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,979.88 : 97,450.20 = 33,798.12 : x
  2. Step 2: Convert to fraction form
    64,979.88/97,450.20 = 33,798.12/x
  3. Step 3: Cross multiply
    64,979.88x = 97,450.20 × 33,798.12
  4. Step 4: Simplify right side
    64,979.88x = 3,293,633,553.62
  5. Step 5: Solve for x
    x = 3,293,633,553.62/64,979.88
  6. Step 6: Final answer
    x = 50,686.98

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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.