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Finding the Fourth Proportional to 25,228.70, 37,843.05 and 8,590.49

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Solution

The fourth proportional to 25,228.70, 37,843.05 and 8,590.49 is: 12,885.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,228.70 : 37,843.05 = 8,590.49 : x
  2. Step 2: Convert to fraction form
    25,228.70/37,843.05 = 8,590.49/x
  3. Step 3: Cross multiply
    25,228.70x = 37,843.05 × 8,590.49
  4. Step 4: Simplify right side
    25,228.70x = 325,090,153.38
  5. Step 5: Solve for x
    x = 325,090,153.38/25,228.70
  6. Step 6: Final answer
    x = 12,885.73

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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.