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Finding the Fourth Proportional to 25,379.85, 35,024.49 and 14,050.39

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Solution

The fourth proportional to 25,379.85, 35,024.49 and 14,050.39 is: 19,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.85 : 35,024.49 = 14,050.39 : x
  2. Step 2: Convert to fraction form
    25,379.85/35,024.49 = 14,050.39/x
  3. Step 3: Cross multiply
    25,379.85x = 35,024.49 × 14,050.39
  4. Step 4: Simplify right side
    25,379.85x = 492,107,744.05
  5. Step 5: Solve for x
    x = 492,107,744.05/25,379.85
  6. Step 6: Final answer
    x = 19,389.70

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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.