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Finding the Fourth Proportional to 25,399.34, 35,048.08 and 14,644.09

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Solution

The fourth proportional to 25,399.34, 35,048.08 and 14,644.09 is: 20,207.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,399.34 : 35,048.08 = 14,644.09 : x
  2. Step 2: Convert to fraction form
    25,399.34/35,048.08 = 14,644.09/x
  3. Step 3: Cross multiply
    25,399.34x = 35,048.08 × 14,644.09
  4. Step 4: Simplify right side
    25,399.34x = 513,247,237.85
  5. Step 5: Solve for x
    x = 513,247,237.85/25,399.34
  6. Step 6: Final answer
    x = 20,207.11

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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.