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Finding the Fourth Proportional to 52,573.68, 78,861.63 and 18,841.90

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Solution

The fourth proportional to 52,573.68, 78,861.63 and 18,841.90 is: 28,263.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,573.68 : 78,861.63 = 18,841.90 : x
  2. Step 2: Convert to fraction form
    52,573.68/78,861.63 = 18,841.90/x
  3. Step 3: Cross multiply
    52,573.68x = 78,861.63 × 18,841.90
  4. Step 4: Simplify right side
    52,573.68x = 1,485,902,946.30
  5. Step 5: Solve for x
    x = 1,485,902,946.30/52,573.68
  6. Step 6: Final answer
    x = 28,263.25

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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.