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Finding the Fourth Proportional to 64,148.98, 96,198.87 and 22,021.21

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Solution

The fourth proportional to 64,148.98, 96,198.87 and 22,021.21 is: 33,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,148.98 : 96,198.87 = 22,021.21 : x
  2. Step 2: Convert to fraction form
    64,148.98/96,198.87 = 22,021.21/x
  3. Step 3: Cross multiply
    64,148.98x = 96,198.87 × 22,021.21
  4. Step 4: Simplify right side
    64,148.98x = 2,118,415,518.03
  5. Step 5: Solve for x
    x = 2,118,415,518.03/64,148.98
  6. Step 6: Final answer
    x = 33,023.37

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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.