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Finding the Fourth Proportional to 25,891.79, 35,747.22 and 16,954.45

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Solution

The fourth proportional to 25,891.79, 35,747.22 and 16,954.45 is: 23,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,891.79 : 35,747.22 = 16,954.45 : x
  2. Step 2: Convert to fraction form
    25,891.79/35,747.22 = 16,954.45/x
  3. Step 3: Cross multiply
    25,891.79x = 35,747.22 × 16,954.45
  4. Step 4: Simplify right side
    25,891.79x = 606,074,428.34
  5. Step 5: Solve for x
    x = 606,074,428.34/25,891.79
  6. Step 6: Final answer
    x = 23,407.98

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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.