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Finding the Fourth Proportional to 56,425.76, 84,638.94 and 16,982.60

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Solution

The fourth proportional to 56,425.76, 84,638.94 and 16,982.60 is: 25,473.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,425.76 : 84,638.94 = 16,982.60 : x
  2. Step 2: Convert to fraction form
    56,425.76/84,638.94 = 16,982.60/x
  3. Step 3: Cross multiply
    56,425.76x = 84,638.94 × 16,982.60
  4. Step 4: Simplify right side
    56,425.76x = 1,437,389,262.44
  5. Step 5: Solve for x
    x = 1,437,389,262.44/56,425.76
  6. Step 6: Final answer
    x = 25,473.99

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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.