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Finding the Fourth Proportional to 25,951.93, 38,933.57 and 8,423.53

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Solution

The fourth proportional to 25,951.93, 38,933.57 and 8,423.53 is: 12,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,951.93 : 38,933.57 = 8,423.53 : x
  2. Step 2: Convert to fraction form
    25,951.93/38,933.57 = 8,423.53/x
  3. Step 3: Cross multiply
    25,951.93x = 38,933.57 × 8,423.53
  4. Step 4: Simplify right side
    25,951.93x = 327,958,094.90
  5. Step 5: Solve for x
    x = 327,958,094.90/25,951.93
  6. Step 6: Final answer
    x = 12,637.14

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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.