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Finding the Fourth Proportional to 25,885.01, 35,673.94 and 18,799.13

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Solution

The fourth proportional to 25,885.01, 35,673.94 and 18,799.13 is: 25,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,885.01 : 35,673.94 = 18,799.13 : x
  2. Step 2: Convert to fraction form
    25,885.01/35,673.94 = 18,799.13/x
  3. Step 3: Cross multiply
    25,885.01x = 35,673.94 × 18,799.13
  4. Step 4: Simplify right side
    25,885.01x = 670,639,035.67
  5. Step 5: Solve for x
    x = 670,639,035.67/25,885.01
  6. Step 6: Final answer
    x = 25,908.39

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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.