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Finding the Fourth Proportional to 25,302.97, 34,889.70 and 16,338.70

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Solution

The fourth proportional to 25,302.97, 34,889.70 and 16,338.70 is: 22,529.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,302.97 : 34,889.70 = 16,338.70 : x
  2. Step 2: Convert to fraction form
    25,302.97/34,889.70 = 16,338.70/x
  3. Step 3: Cross multiply
    25,302.97x = 34,889.70 × 16,338.70
  4. Step 4: Simplify right side
    25,302.97x = 570,052,341.39
  5. Step 5: Solve for x
    x = 570,052,341.39/25,302.97
  6. Step 6: Final answer
    x = 22,529.07

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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.