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Finding the Fourth Proportional to 11,712.52, 17,560.52 and 4,316.01

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Solution

The fourth proportional to 11,712.52, 17,560.52 and 4,316.01 is: 6,470.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712.52 : 17,560.52 = 4,316.01 : x
  2. Step 2: Convert to fraction form
    11,712.52/17,560.52 = 4,316.01/x
  3. Step 3: Cross multiply
    11,712.52x = 17,560.52 × 4,316.01
  4. Step 4: Simplify right side
    11,712.52x = 75,791,314.44
  5. Step 5: Solve for x
    x = 75,791,314.44/11,712.52
  6. Step 6: Final answer
    x = 6,470.96

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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.