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Finding the Fourth Proportional to 53,804.82, 80,720.19 and 16,868.82

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Solution

The fourth proportional to 53,804.82, 80,720.19 and 16,868.82 is: 25,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,804.82 : 80,720.19 = 16,868.82 : x
  2. Step 2: Convert to fraction form
    53,804.82/80,720.19 = 16,868.82/x
  3. Step 3: Cross multiply
    53,804.82x = 80,720.19 × 16,868.82
  4. Step 4: Simplify right side
    53,804.82x = 1,361,654,355.48
  5. Step 5: Solve for x
    x = 1,361,654,355.48/53,804.82
  6. Step 6: Final answer
    x = 25,307.29

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1.5x scale

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.