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Finding the Fourth Proportional to 66,953.76, 100,440 and 22,593.30

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Solution

The fourth proportional to 66,953.76, 100,440 and 22,593.30 is: 33,893.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,953.76 : 100,440 = 22,593.30 : x
  2. Step 2: Convert to fraction form
    66,953.76/100,440 = 22,593.30/x
  3. Step 3: Cross multiply
    66,953.76x = 100,440 × 22,593.30
  4. Step 4: Simplify right side
    66,953.76x = 2,269,271,052
  5. Step 5: Solve for x
    x = 2,269,271,052/66,953.76
  6. Step 6: Final answer
    x = 33,893.11

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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.