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Finding the Fourth Proportional to 52,503.96, 78,730.02 and 19,198.92

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Solution

The fourth proportional to 52,503.96, 78,730.02 and 19,198.92 is: 28,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,503.96 : 78,730.02 = 19,198.92 : x
  2. Step 2: Convert to fraction form
    52,503.96/78,730.02 = 19,198.92/x
  3. Step 3: Cross multiply
    52,503.96x = 78,730.02 × 19,198.92
  4. Step 4: Simplify right side
    52,503.96x = 1,511,531,355.58
  5. Step 5: Solve for x
    x = 1,511,531,355.58/52,503.96
  6. Step 6: Final answer
    x = 28,788.90

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1.5x scale

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.