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Finding the Fourth Proportional to 66,997.68, 100,425.96 and 22,582.32

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Solution

The fourth proportional to 66,997.68, 100,425.96 and 22,582.32 is: 33,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,997.68 : 100,425.96 = 22,582.32 : x
  2. Step 2: Convert to fraction form
    66,997.68/100,425.96 = 22,582.32/x
  3. Step 3: Cross multiply
    66,997.68x = 100,425.96 × 22,582.32
  4. Step 4: Simplify right side
    66,997.68x = 2,267,851,165.03
  5. Step 5: Solve for x
    x = 2,267,851,165.03/66,997.68
  6. Step 6: Final answer
    x = 33,849.70

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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.