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Finding the Fourth Proportional to 52,043.88, 78,065.58 and 12,601

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Solution

The fourth proportional to 52,043.88, 78,065.58 and 12,601 is: 18,901.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,043.88 : 78,065.58 = 12,601 : x
  2. Step 2: Convert to fraction form
    52,043.88/78,065.58 = 12,601/x
  3. Step 3: Cross multiply
    52,043.88x = 78,065.58 × 12,601
  4. Step 4: Simplify right side
    52,043.88x = 983,704,373.58
  5. Step 5: Solve for x
    x = 983,704,373.58/52,043.88
  6. Step 6: Final answer
    x = 18,901.44

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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.