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Finding the Fourth Proportional to 25,230.96, 37,845 and 7,699.40

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Solution

The fourth proportional to 25,230.96, 37,845 and 7,699.40 is: 11,548.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,230.96 : 37,845 = 7,699.40 : x
  2. Step 2: Convert to fraction form
    25,230.96/37,845 = 7,699.40/x
  3. Step 3: Cross multiply
    25,230.96x = 37,845 × 7,699.40
  4. Step 4: Simplify right side
    25,230.96x = 291,383,793
  5. Step 5: Solve for x
    x = 291,383,793/25,230.96
  6. Step 6: Final answer
    x = 11,548.66

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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.