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Finding the Fourth Proportional to 17,900.01, 26,847.90 and 4,753.40

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Solution

The fourth proportional to 17,900.01, 26,847.90 and 4,753.40 is: 7,129.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,900.01 : 26,847.90 = 4,753.40 : x
  2. Step 2: Convert to fraction form
    17,900.01/26,847.90 = 4,753.40/x
  3. Step 3: Cross multiply
    17,900.01x = 26,847.90 × 4,753.40
  4. Step 4: Simplify right side
    17,900.01x = 127,618,673.62
  5. Step 5: Solve for x
    x = 127,618,673.62/17,900.01
  6. Step 6: Final answer
    x = 7,129.53

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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.