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Finding the Fourth Proportional to 25,193.70, 34,767.33 and 14,015.70

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Solution

The fourth proportional to 25,193.70, 34,767.33 and 14,015.70 is: 19,341.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,193.70 : 34,767.33 = 14,015.70 : x
  2. Step 2: Convert to fraction form
    25,193.70/34,767.33 = 14,015.70/x
  3. Step 3: Cross multiply
    25,193.70x = 34,767.33 × 14,015.70
  4. Step 4: Simplify right side
    25,193.70x = 487,288,467.08
  5. Step 5: Solve for x
    x = 487,288,467.08/25,193.70
  6. Step 6: Final answer
    x = 19,341.68

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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.