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Finding the Fourth Proportional to 18,500.01, 27,746.88 and 5,173.89

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Solution

The fourth proportional to 18,500.01, 27,746.88 and 5,173.89 is: 7,759.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.01 : 27,746.88 = 5,173.89 : x
  2. Step 2: Convert to fraction form
    18,500.01/27,746.88 = 5,173.89/x
  3. Step 3: Cross multiply
    18,500.01x = 27,746.88 × 5,173.89
  4. Step 4: Simplify right side
    18,500.01x = 143,559,304.96
  5. Step 5: Solve for x
    x = 143,559,304.96/18,500.01
  6. Step 6: Final answer
    x = 7,759.96

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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.