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Finding the Fourth Proportional to 51,367.87, 77,053.98 and 17,657.09

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Solution

The fourth proportional to 51,367.87, 77,053.98 and 17,657.09 is: 26,486.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,367.87 : 77,053.98 = 17,657.09 : x
  2. Step 2: Convert to fraction form
    51,367.87/77,053.98 = 17,657.09/x
  3. Step 3: Cross multiply
    51,367.87x = 77,053.98 × 17,657.09
  4. Step 4: Simplify right side
    51,367.87x = 1,360,549,029.61
  5. Step 5: Solve for x
    x = 1,360,549,029.61/51,367.87
  6. Step 6: Final answer
    x = 26,486.38

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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.