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Finding the Fourth Proportional to 25,773.02, 38,658.81 and 8,243.90

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Solution

The fourth proportional to 25,773.02, 38,658.81 and 8,243.90 is: 12,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,773.02 : 38,658.81 = 8,243.90 : x
  2. Step 2: Convert to fraction form
    25,773.02/38,658.81 = 8,243.90/x
  3. Step 3: Cross multiply
    25,773.02x = 38,658.81 × 8,243.90
  4. Step 4: Simplify right side
    25,773.02x = 318,699,363.76
  5. Step 5: Solve for x
    x = 318,699,363.76/25,773.02
  6. Step 6: Final answer
    x = 12,365.62

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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.