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Finding the Fourth Proportional to 25,773.93, 38,836.46 and 21,196.45

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Solution

The fourth proportional to 25,773.93, 38,836.46 and 21,196.45 is: 31,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,773.93 : 38,836.46 = 21,196.45 : x
  2. Step 2: Convert to fraction form
    25,773.93/38,836.46 = 21,196.45/x
  3. Step 3: Cross multiply
    25,773.93x = 38,836.46 × 21,196.45
  4. Step 4: Simplify right side
    25,773.93x = 823,195,184.10
  5. Step 5: Solve for x
    x = 823,195,184.10/25,773.93
  6. Step 6: Final answer
    x = 31,939.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.