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Finding the Fourth Proportional to 25,379.63, 38,058.97 and 9,581.98

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Solution

The fourth proportional to 25,379.63, 38,058.97 and 9,581.98 is: 14,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.63 : 38,058.97 = 9,581.98 : x
  2. Step 2: Convert to fraction form
    25,379.63/38,058.97 = 9,581.98/x
  3. Step 3: Cross multiply
    25,379.63x = 38,058.97 × 9,581.98
  4. Step 4: Simplify right side
    25,379.63x = 364,680,259.59
  5. Step 5: Solve for x
    x = 364,680,259.59/25,379.63
  6. Step 6: Final answer
    x = 14,369.01

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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.