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Finding the Fourth Proportional to 53,238.73, 79,874.72 and 15,798.98

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Solution

The fourth proportional to 53,238.73, 79,874.72 and 15,798.98 is: 23,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,238.73 : 79,874.72 = 15,798.98 : x
  2. Step 2: Convert to fraction form
    53,238.73/79,874.72 = 15,798.98/x
  3. Step 3: Cross multiply
    53,238.73x = 79,874.72 × 15,798.98
  4. Step 4: Simplify right side
    53,238.73x = 1,261,939,103.79
  5. Step 5: Solve for x
    x = 1,261,939,103.79/53,238.73
  6. Step 6: Final answer
    x = 23,703.40

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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.