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Finding the Fourth Proportional to 25,793.80, 38,666.22 and 8,254.60

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Solution

The fourth proportional to 25,793.80, 38,666.22 and 8,254.60 is: 12,374.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,793.80 : 38,666.22 = 8,254.60 : x
  2. Step 2: Convert to fraction form
    25,793.80/38,666.22 = 8,254.60/x
  3. Step 3: Cross multiply
    25,793.80x = 38,666.22 × 8,254.60
  4. Step 4: Simplify right side
    25,793.80x = 319,174,179.61
  5. Step 5: Solve for x
    x = 319,174,179.61/25,793.80
  6. Step 6: Final answer
    x = 12,374.07

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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.