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Finding the Fourth Proportional to 56,652.26, 84,901.86 and 21,572.78

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Solution

The fourth proportional to 56,652.26, 84,901.86 and 21,572.78 is: 32,330.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,652.26 : 84,901.86 = 21,572.78 : x
  2. Step 2: Convert to fraction form
    56,652.26/84,901.86 = 21,572.78/x
  3. Step 3: Cross multiply
    56,652.26x = 84,901.86 × 21,572.78
  4. Step 4: Simplify right side
    56,652.26x = 1,831,569,147.37
  5. Step 5: Solve for x
    x = 1,831,569,147.37/56,652.26
  6. Step 6: Final answer
    x = 32,330.03

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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.