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Finding the Fourth Proportional to 76,503.45, 114,755.26 and 23,913.21

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Solution

The fourth proportional to 76,503.45, 114,755.26 and 23,913.21 is: 35,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,503.45 : 114,755.26 = 23,913.21 : x
  2. Step 2: Convert to fraction form
    76,503.45/114,755.26 = 23,913.21/x
  3. Step 3: Cross multiply
    76,503.45x = 114,755.26 × 23,913.21
  4. Step 4: Simplify right side
    76,503.45x = 2,744,166,511.42
  5. Step 5: Solve for x
    x = 2,744,166,511.42/76,503.45
  6. Step 6: Final answer
    x = 35,869.84

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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.