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Finding the Fourth Proportional to 25,381.62, 38,072.70 and 6,913.62

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Solution

The fourth proportional to 25,381.62, 38,072.70 and 6,913.62 is: 10,370.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,381.62 : 38,072.70 = 6,913.62 : x
  2. Step 2: Convert to fraction form
    25,381.62/38,072.70 = 6,913.62/x
  3. Step 3: Cross multiply
    25,381.62x = 38,072.70 × 6,913.62
  4. Step 4: Simplify right side
    25,381.62x = 263,220,180.17
  5. Step 5: Solve for x
    x = 263,220,180.17/25,381.62
  6. Step 6: Final answer
    x = 10,370.50

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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.