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Finding the Fourth Proportional to 56,602.41, 84,940.47 and 21,542.37

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Solution

The fourth proportional to 56,602.41, 84,940.47 and 21,542.37 is: 32,327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,602.41 : 84,940.47 = 21,542.37 : x
  2. Step 2: Convert to fraction form
    56,602.41/84,940.47 = 21,542.37/x
  3. Step 3: Cross multiply
    56,602.41x = 84,940.47 × 21,542.37
  4. Step 4: Simplify right side
    56,602.41x = 1,829,819,032.71
  5. Step 5: Solve for x
    x = 1,829,819,032.71/56,602.41
  6. Step 6: Final answer
    x = 32,327.58

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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.