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Finding the Fourth Proportional to 52,468.80, 78,703.20 and 33,806.40

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Solution

The fourth proportional to 52,468.80, 78,703.20 and 33,806.40 is: 50,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,468.80 : 78,703.20 = 33,806.40 : x
  2. Step 2: Convert to fraction form
    52,468.80/78,703.20 = 33,806.40/x
  3. Step 3: Cross multiply
    52,468.80x = 78,703.20 × 33,806.40
  4. Step 4: Simplify right side
    52,468.80x = 2,660,671,860.48
  5. Step 5: Solve for x
    x = 2,660,671,860.48/52,468.80
  6. Step 6: Final answer
    x = 50,709.60

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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.