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Finding the Fourth Proportional to 20,073.96, 30,094.53 and 7,586.91

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Solution

The fourth proportional to 20,073.96, 30,094.53 and 7,586.91 is: 11,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,073.96 : 30,094.53 = 7,586.91 : x
  2. Step 2: Convert to fraction form
    20,073.96/30,094.53 = 7,586.91/x
  3. Step 3: Cross multiply
    20,073.96x = 30,094.53 × 7,586.91
  4. Step 4: Simplify right side
    20,073.96x = 228,324,490.60
  5. Step 5: Solve for x
    x = 228,324,490.60/20,073.96
  6. Step 6: Final answer
    x = 11,374.16

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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.