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Finding the Fourth Proportional to 25,816.44, 38,742.03 and 9,176.70

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Solution

The fourth proportional to 25,816.44, 38,742.03 and 9,176.70 is: 13,771.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,816.44 : 38,742.03 = 9,176.70 : x
  2. Step 2: Convert to fraction form
    25,816.44/38,742.03 = 9,176.70/x
  3. Step 3: Cross multiply
    25,816.44x = 38,742.03 × 9,176.70
  4. Step 4: Simplify right side
    25,816.44x = 355,523,986.70
  5. Step 5: Solve for x
    x = 355,523,986.70/25,816.44
  6. Step 6: Final answer
    x = 13,771.22

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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.