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Finding the Fourth Proportional to 56,054.52, 84,054.24 and 18,601.88

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Solution

The fourth proportional to 56,054.52, 84,054.24 and 18,601.88 is: 27,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,054.52 : 84,054.24 = 18,601.88 : x
  2. Step 2: Convert to fraction form
    56,054.52/84,054.24 = 18,601.88/x
  3. Step 3: Cross multiply
    56,054.52x = 84,054.24 × 18,601.88
  4. Step 4: Simplify right side
    56,054.52x = 1,563,566,465.70
  5. Step 5: Solve for x
    x = 1,563,566,465.70/56,054.52
  6. Step 6: Final answer
    x = 27,893.67

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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.