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Finding the Fourth Proportional to 55,886.25, 83,829.58 and 53,083.25

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Solution

The fourth proportional to 55,886.25, 83,829.58 and 53,083.25 is: 79,625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,886.25 : 83,829.58 = 53,083.25 : x
  2. Step 2: Convert to fraction form
    55,886.25/83,829.58 = 53,083.25/x
  3. Step 3: Cross multiply
    55,886.25x = 83,829.58 × 53,083.25
  4. Step 4: Simplify right side
    55,886.25x = 4,449,946,000.68
  5. Step 5: Solve for x
    x = 4,449,946,000.68/55,886.25
  6. Step 6: Final answer
    x = 79,625.06

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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.