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Finding the Fourth Proportional to 25,799.82, 35,624.82 and 21,020.46

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Solution

The fourth proportional to 25,799.82, 35,624.82 and 21,020.46 is: 29,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,799.82 : 35,624.82 = 21,020.46 : x
  2. Step 2: Convert to fraction form
    25,799.82/35,624.82 = 21,020.46/x
  3. Step 3: Cross multiply
    25,799.82x = 35,624.82 × 21,020.46
  4. Step 4: Simplify right side
    25,799.82x = 748,850,103.82
  5. Step 5: Solve for x
    x = 748,850,103.82/25,799.82
  6. Step 6: Final answer
    x = 29,025.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.