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Finding the Fourth Proportional to 52,043.70, 78,064.79 and 16,504.95

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Solution

The fourth proportional to 52,043.70, 78,064.79 and 16,504.95 is: 24,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,043.70 : 78,064.79 = 16,504.95 : x
  2. Step 2: Convert to fraction form
    52,043.70/78,064.79 = 16,504.95/x
  3. Step 3: Cross multiply
    52,043.70x = 78,064.79 × 16,504.95
  4. Step 4: Simplify right side
    52,043.70x = 1,288,455,455.71
  5. Step 5: Solve for x
    x = 1,288,455,455.71/52,043.70
  6. Step 6: Final answer
    x = 24,757.18

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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.