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Finding the Fourth Proportional to 25,793.37, 38,657.68 and 13,946.65

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Solution

The fourth proportional to 25,793.37, 38,657.68 and 13,946.65 is: 20,902.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,793.37 : 38,657.68 = 13,946.65 : x
  2. Step 2: Convert to fraction form
    25,793.37/38,657.68 = 13,946.65/x
  3. Step 3: Cross multiply
    25,793.37x = 38,657.68 × 13,946.65
  4. Step 4: Simplify right side
    25,793.37x = 539,145,001.26
  5. Step 5: Solve for x
    x = 539,145,001.26/25,793.37
  6. Step 6: Final answer
    x = 20,902.46

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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.