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Finding the Fourth Proportional to 16,819.13, 25,228.70 and 5,726.99

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Solution

The fourth proportional to 16,819.13, 25,228.70 and 5,726.99 is: 8,590.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.13 : 25,228.70 = 5,726.99 : x
  2. Step 2: Convert to fraction form
    16,819.13/25,228.70 = 5,726.99/x
  3. Step 3: Cross multiply
    16,819.13x = 25,228.70 × 5,726.99
  4. Step 4: Simplify right side
    16,819.13x = 144,484,512.61
  5. Step 5: Solve for x
    x = 144,484,512.61/16,819.13
  6. Step 6: Final answer
    x = 8,590.49

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Similar ratio
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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.