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Finding the Fourth Proportional to 18,503.50, 27,750.02 and 6,020.86

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Solution

The fourth proportional to 18,503.50, 27,750.02 and 6,020.86 is: 9,029.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503.50 : 27,750.02 = 6,020.86 : x
  2. Step 2: Convert to fraction form
    18,503.50/27,750.02 = 6,020.86/x
  3. Step 3: Cross multiply
    18,503.50x = 27,750.02 × 6,020.86
  4. Step 4: Simplify right side
    18,503.50x = 167,078,985.42
  5. Step 5: Solve for x
    x = 167,078,985.42/18,503.50
  6. Step 6: Final answer
    x = 9,029.59

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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.