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Finding the Fourth Proportional to 52,016.68, 78,031.50 and 16,946.92

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Solution

The fourth proportional to 52,016.68, 78,031.50 and 16,946.92 is: 25,422.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,016.68 : 78,031.50 = 16,946.92 : x
  2. Step 2: Convert to fraction form
    52,016.68/78,031.50 = 16,946.92/x
  3. Step 3: Cross multiply
    52,016.68x = 78,031.50 × 16,946.92
  4. Step 4: Simplify right side
    52,016.68x = 1,322,393,587.98
  5. Step 5: Solve for x
    x = 1,322,393,587.98/52,016.68
  6. Step 6: Final answer
    x = 25,422.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.