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Finding the Fourth Proportional to 56,650.24, 84,978.24 and 21,583.36

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Solution

The fourth proportional to 56,650.24, 84,978.24 and 21,583.36 is: 32,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,650.24 : 84,978.24 = 21,583.36 : x
  2. Step 2: Convert to fraction form
    56,650.24/84,978.24 = 21,583.36/x
  3. Step 3: Cross multiply
    56,650.24x = 84,978.24 × 21,583.36
  4. Step 4: Simplify right side
    56,650.24x = 1,834,115,946.09
  5. Step 5: Solve for x
    x = 1,834,115,946.09/56,650.24
  6. Step 6: Final answer
    x = 32,376.14

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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.