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Finding the Fourth Proportional to 25,923.70, 38,891.04 and 14,684.32

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Solution

The fourth proportional to 25,923.70, 38,891.04 and 14,684.32 is: 22,029.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,923.70 : 38,891.04 = 14,684.32 : x
  2. Step 2: Convert to fraction form
    25,923.70/38,891.04 = 14,684.32/x
  3. Step 3: Cross multiply
    25,923.70x = 38,891.04 × 14,684.32
  4. Step 4: Simplify right side
    25,923.70x = 571,088,476.49
  5. Step 5: Solve for x
    x = 571,088,476.49/25,923.70
  6. Step 6: Final answer
    x = 22,029.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.