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Finding the Fourth Proportional to 56,502.48, 84,776.04 and 21,451.44

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Solution

The fourth proportional to 56,502.48, 84,776.04 and 21,451.44 is: 32,185.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,502.48 : 84,776.04 = 21,451.44 : x
  2. Step 2: Convert to fraction form
    56,502.48/84,776.04 = 21,451.44/x
  3. Step 3: Cross multiply
    56,502.48x = 84,776.04 × 21,451.44
  4. Step 4: Simplify right side
    56,502.48x = 1,818,568,135.50
  5. Step 5: Solve for x
    x = 1,818,568,135.50/56,502.48
  6. Step 6: Final answer
    x = 32,185.63

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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.