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Finding the Fourth Proportional to 4,859.88, 7,289.97 and 1,572.99

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Solution

The fourth proportional to 4,859.88, 7,289.97 and 1,572.99 is: 2,359.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.88 : 7,289.97 = 1,572.99 : x
  2. Step 2: Convert to fraction form
    4,859.88/7,289.97 = 1,572.99/x
  3. Step 3: Cross multiply
    4,859.88x = 7,289.97 × 1,572.99
  4. Step 4: Simplify right side
    4,859.88x = 11,467,049.91
  5. Step 5: Solve for x
    x = 11,467,049.91/4,859.88
  6. Step 6: Final answer
    x = 2,359.53

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Double scale
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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.