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Finding the Fourth Proportional to 25,958.07, 38,943.60 and 7,490.07

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Solution

The fourth proportional to 25,958.07, 38,943.60 and 7,490.07 is: 11,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,958.07 : 38,943.60 = 7,490.07 : x
  2. Step 2: Convert to fraction form
    25,958.07/38,943.60 = 7,490.07/x
  3. Step 3: Cross multiply
    25,958.07x = 38,943.60 × 7,490.07
  4. Step 4: Simplify right side
    25,958.07x = 291,690,095.33
  5. Step 5: Solve for x
    x = 291,690,095.33/25,958.07
  6. Step 6: Final answer
    x = 11,236.97

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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.