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Finding the Fourth Proportional to 56,462.48, 84,716.04 and 21,411.44

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Solution

The fourth proportional to 56,462.48, 84,716.04 and 21,411.44 is: 32,125.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,462.48 : 84,716.04 = 21,411.44 : x
  2. Step 2: Convert to fraction form
    56,462.48/84,716.04 = 21,411.44/x
  3. Step 3: Cross multiply
    56,462.48x = 84,716.04 × 21,411.44
  4. Step 4: Simplify right side
    56,462.48x = 1,813,892,407.50
  5. Step 5: Solve for x
    x = 1,813,892,407.50/56,462.48
  6. Step 6: Final answer
    x = 32,125.62

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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.