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Finding the Fourth Proportional to 45,992, 63,469.02 and 26,120

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Solution

The fourth proportional to 45,992, 63,469.02 and 26,120 is: 36,045.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,992 : 63,469.02 = 26,120 : x
  2. Step 2: Convert to fraction form
    45,992/63,469.02 = 26,120/x
  3. Step 3: Cross multiply
    45,992x = 63,469.02 × 26,120
  4. Step 4: Simplify right side
    45,992x = 1,657,810,802.40
  5. Step 5: Solve for x
    x = 1,657,810,802.40/45,992
  6. Step 6: Final answer
    x = 36,045.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.