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Finding the Fourth Proportional to 56,171.52, 77,506.56 and 36,288

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Solution

The fourth proportional to 56,171.52, 77,506.56 and 36,288 is: 50,070.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,171.52 : 77,506.56 = 36,288 : x
  2. Step 2: Convert to fraction form
    56,171.52/77,506.56 = 36,288/x
  3. Step 3: Cross multiply
    56,171.52x = 77,506.56 × 36,288
  4. Step 4: Simplify right side
    56,171.52x = 2,812,558,049.28
  5. Step 5: Solve for x
    x = 2,812,558,049.28/56,171.52
  6. Step 6: Final answer
    x = 50,070.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.