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Finding the Fourth Proportional to 25,529.70, 35,230.67 and 14,351.70

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Solution

The fourth proportional to 25,529.70, 35,230.67 and 14,351.70 is: 19,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,529.70 : 35,230.67 = 14,351.70 : x
  2. Step 2: Convert to fraction form
    25,529.70/35,230.67 = 14,351.70/x
  3. Step 3: Cross multiply
    25,529.70x = 35,230.67 × 14,351.70
  4. Step 4: Simplify right side
    25,529.70x = 505,620,006.64
  5. Step 5: Solve for x
    x = 505,620,006.64/25,529.70
  6. Step 6: Final answer
    x = 19,805.17

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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.