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Finding the Fourth Proportional to 52,996.44, 79,488.45 and 13,553.76

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Solution

The fourth proportional to 52,996.44, 79,488.45 and 13,553.76 is: 20,329.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,996.44 : 79,488.45 = 13,553.76 : x
  2. Step 2: Convert to fraction form
    52,996.44/79,488.45 = 13,553.76/x
  3. Step 3: Cross multiply
    52,996.44x = 79,488.45 × 13,553.76
  4. Step 4: Simplify right side
    52,996.44x = 1,077,367,374.07
  5. Step 5: Solve for x
    x = 1,077,367,374.07/52,996.44
  6. Step 6: Final answer
    x = 20,329.05

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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.