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Finding the Fourth Proportional to 55,610, 83,418.64 and 22,325.68

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Solution

The fourth proportional to 55,610, 83,418.64 and 22,325.68 is: 33,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,610 : 83,418.64 = 22,325.68 : x
  2. Step 2: Convert to fraction form
    55,610/83,418.64 = 22,325.68/x
  3. Step 3: Cross multiply
    55,610x = 83,418.64 × 22,325.68
  4. Step 4: Simplify right side
    55,610x = 1,862,377,862.68
  5. Step 5: Solve for x
    x = 1,862,377,862.68/55,610
  6. Step 6: Final answer
    x = 33,489.98

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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.