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Finding the Fourth Proportional to 64,145.98, 96,194.37 and 22,018.21

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Solution

The fourth proportional to 64,145.98, 96,194.37 and 22,018.21 is: 33,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,145.98 : 96,194.37 = 22,018.21 : x
  2. Step 2: Convert to fraction form
    64,145.98/96,194.37 = 22,018.21/x
  3. Step 3: Cross multiply
    64,145.98x = 96,194.37 × 22,018.21
  4. Step 4: Simplify right side
    64,145.98x = 2,118,027,839.48
  5. Step 5: Solve for x
    x = 2,118,027,839.48/64,145.98
  6. Step 6: Final answer
    x = 33,018.87

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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.