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Finding the Fourth Proportional to 56,574.37, 84,861.54 and 14,454.54

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Solution

The fourth proportional to 56,574.37, 84,861.54 and 14,454.54 is: 21,681.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,574.37 : 84,861.54 = 14,454.54 : x
  2. Step 2: Convert to fraction form
    56,574.37/84,861.54 = 14,454.54/x
  3. Step 3: Cross multiply
    56,574.37x = 84,861.54 × 14,454.54
  4. Step 4: Simplify right side
    56,574.37x = 1,226,634,524.39
  5. Step 5: Solve for x
    x = 1,226,634,524.39/56,574.37
  6. Step 6: Final answer
    x = 21,681.81

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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.