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Finding the Fourth Proportional to 56,446.56, 84,669.95 and 14,326.56

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Solution

The fourth proportional to 56,446.56, 84,669.95 and 14,326.56 is: 21,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,446.56 : 84,669.95 = 14,326.56 : x
  2. Step 2: Convert to fraction form
    56,446.56/84,669.95 = 14,326.56/x
  3. Step 3: Cross multiply
    56,446.56x = 84,669.95 × 14,326.56
  4. Step 4: Simplify right side
    56,446.56x = 1,213,029,118.87
  5. Step 5: Solve for x
    x = 1,213,029,118.87/56,446.56
  6. Step 6: Final answer
    x = 21,489.87

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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.