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Finding the Fourth Proportional to 56,386.55, 84,569.61 and 22,651.21

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Solution

The fourth proportional to 56,386.55, 84,569.61 and 22,651.21 is: 33,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,386.55 : 84,569.61 = 22,651.21 : x
  2. Step 2: Convert to fraction form
    56,386.55/84,569.61 = 22,651.21/x
  3. Step 3: Cross multiply
    56,386.55x = 84,569.61 × 22,651.21
  4. Step 4: Simplify right side
    56,386.55x = 1,915,604,052.36
  5. Step 5: Solve for x
    x = 1,915,604,052.36/56,386.55
  6. Step 6: Final answer
    x = 33,972.71

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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.