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Finding the Fourth Proportional to 75,999.75, 114,000.03 and 20,595.75

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Solution

The fourth proportional to 75,999.75, 114,000.03 and 20,595.75 is: 30,893.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,999.75 : 114,000.03 = 20,595.75 : x
  2. Step 2: Convert to fraction form
    75,999.75/114,000.03 = 20,595.75/x
  3. Step 3: Cross multiply
    75,999.75x = 114,000.03 × 20,595.75
  4. Step 4: Simplify right side
    75,999.75x = 2,347,916,117.87
  5. Step 5: Solve for x
    x = 2,347,916,117.87/75,999.75
  6. Step 6: Final answer
    x = 30,893.73

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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.