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Finding the Fourth Proportional to 25,777.55, 38,661.69 and 11,734.22

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Solution

The fourth proportional to 25,777.55, 38,661.69 and 11,734.22 is: 17,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,777.55 : 38,661.69 = 11,734.22 : x
  2. Step 2: Convert to fraction form
    25,777.55/38,661.69 = 11,734.22/x
  3. Step 3: Cross multiply
    25,777.55x = 38,661.69 × 11,734.22
  4. Step 4: Simplify right side
    25,777.55x = 453,664,776.03
  5. Step 5: Solve for x
    x = 453,664,776.03/25,777.55
  6. Step 6: Final answer
    x = 17,599.22

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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.