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Finding the Fourth Proportional to 25,995.66, 39,000 and 14,914.86

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Solution

The fourth proportional to 25,995.66, 39,000 and 14,914.86 is: 22,376.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,995.66 : 39,000 = 14,914.86 : x
  2. Step 2: Convert to fraction form
    25,995.66/39,000 = 14,914.86/x
  3. Step 3: Cross multiply
    25,995.66x = 39,000 × 14,914.86
  4. Step 4: Simplify right side
    25,995.66x = 581,679,540
  5. Step 5: Solve for x
    x = 581,679,540/25,995.66
  6. Step 6: Final answer
    x = 22,376.03

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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.