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Finding the Fourth Proportional to 25,563.58, 38,351.14 and 7,795.80

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Solution

The fourth proportional to 25,563.58, 38,351.14 and 7,795.80 is: 11,695.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,563.58 : 38,351.14 = 7,795.80 : x
  2. Step 2: Convert to fraction form
    25,563.58/38,351.14 = 7,795.80/x
  3. Step 3: Cross multiply
    25,563.58x = 38,351.14 × 7,795.80
  4. Step 4: Simplify right side
    25,563.58x = 298,977,817.21
  5. Step 5: Solve for x
    x = 298,977,817.21/25,563.58
  6. Step 6: Final answer
    x = 11,695.46

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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.