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Finding the Fourth Proportional to 56,489.49, 84,630.96 and 26,448.62

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Solution

The fourth proportional to 56,489.49, 84,630.96 and 26,448.62 is: 39,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,489.49 : 84,630.96 = 26,448.62 : x
  2. Step 2: Convert to fraction form
    56,489.49/84,630.96 = 26,448.62/x
  3. Step 3: Cross multiply
    56,489.49x = 84,630.96 × 26,448.62
  4. Step 4: Simplify right side
    56,489.49x = 2,238,371,678.12
  5. Step 5: Solve for x
    x = 2,238,371,678.12/56,489.49
  6. Step 6: Final answer
    x = 39,624.57

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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.