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Finding the Fourth Proportional to 51,372.55, 70,929.03 and 33,267.03

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Solution

The fourth proportional to 51,372.55, 70,929.03 and 33,267.03 is: 45,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,372.55 : 70,929.03 = 33,267.03 : x
  2. Step 2: Convert to fraction form
    51,372.55/70,929.03 = 33,267.03/x
  3. Step 3: Cross multiply
    51,372.55x = 70,929.03 × 33,267.03
  4. Step 4: Simplify right side
    51,372.55x = 2,359,598,168.88
  5. Step 5: Solve for x
    x = 2,359,598,168.88/51,372.55
  6. Step 6: Final answer
    x = 45,931.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.