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Finding the Fourth Proportional to 52,985.54, 79,489.86 and 17,450.44

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Solution

The fourth proportional to 52,985.54, 79,489.86 and 17,450.44 is: 26,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,985.54 : 79,489.86 = 17,450.44 : x
  2. Step 2: Convert to fraction form
    52,985.54/79,489.86 = 17,450.44/x
  3. Step 3: Cross multiply
    52,985.54x = 79,489.86 × 17,450.44
  4. Step 4: Simplify right side
    52,985.54x = 1,387,132,768.37
  5. Step 5: Solve for x
    x = 1,387,132,768.37/52,985.54
  6. Step 6: Final answer
    x = 26,179.46

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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.