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Finding the Fourth Proportional to 38,393.96, 57,590.88 and 15,004

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Solution

The fourth proportional to 38,393.96, 57,590.88 and 15,004 is: 22,505.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,393.96 : 57,590.88 = 15,004 : x
  2. Step 2: Convert to fraction form
    38,393.96/57,590.88 = 15,004/x
  3. Step 3: Cross multiply
    38,393.96x = 57,590.88 × 15,004
  4. Step 4: Simplify right side
    38,393.96x = 864,093,563.52
  5. Step 5: Solve for x
    x = 864,093,563.52/38,393.96
  6. Step 6: Final answer
    x = 22,505.98

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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.