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Finding the Fourth Proportional to 11,572.99, 17,360.30 and 5,728.03

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Solution

The fourth proportional to 11,572.99, 17,360.30 and 5,728.03 is: 8,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.99 : 17,360.30 = 5,728.03 : x
  2. Step 2: Convert to fraction form
    11,572.99/17,360.30 = 5,728.03/x
  3. Step 3: Cross multiply
    11,572.99x = 17,360.30 × 5,728.03
  4. Step 4: Simplify right side
    11,572.99x = 99,440,333.75
  5. Step 5: Solve for x
    x = 99,440,333.75/11,572.99
  6. Step 6: Final answer
    x = 8,592.45

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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.