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Finding the Fourth Proportional to 51,967.79, 77,893.35 and 25,690.98

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Solution

The fourth proportional to 51,967.79, 77,893.35 and 25,690.98 is: 38,507.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,967.79 : 77,893.35 = 25,690.98 : x
  2. Step 2: Convert to fraction form
    51,967.79/77,893.35 = 25,690.98/x
  3. Step 3: Cross multiply
    51,967.79x = 77,893.35 × 25,690.98
  4. Step 4: Simplify right side
    51,967.79x = 2,001,156,496.98
  5. Step 5: Solve for x
    x = 2,001,156,496.98/51,967.79
  6. Step 6: Final answer
    x = 38,507.63

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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.