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Finding the Fourth Proportional to 25,998.74, 38,998.08 and 8,468.54

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Solution

The fourth proportional to 25,998.74, 38,998.08 and 8,468.54 is: 12,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,998.74 : 38,998.08 = 8,468.54 : x
  2. Step 2: Convert to fraction form
    25,998.74/38,998.08 = 8,468.54/x
  3. Step 3: Cross multiply
    25,998.74x = 38,998.08 × 8,468.54
  4. Step 4: Simplify right side
    25,998.74x = 330,256,800.40
  5. Step 5: Solve for x
    x = 330,256,800.40/25,998.74
  6. Step 6: Final answer
    x = 12,702.80

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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.