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Finding the Fourth Proportional to 64,967.64, 97,451.43 and 20,594.37

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Solution

The fourth proportional to 64,967.64, 97,451.43 and 20,594.37 is: 30,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,967.64 : 97,451.43 = 20,594.37 : x
  2. Step 2: Convert to fraction form
    64,967.64/97,451.43 = 20,594.37/x
  3. Step 3: Cross multiply
    64,967.64x = 97,451.43 × 20,594.37
  4. Step 4: Simplify right side
    64,967.64x = 2,006,950,806.45
  5. Step 5: Solve for x
    x = 2,006,950,806.45/64,967.64
  6. Step 6: Final answer
    x = 30,891.55

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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.