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Finding the Fourth Proportional to 11,459.88, 17,188.00 and 4,443.10

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Solution

The fourth proportional to 11,459.88, 17,188.00 and 4,443.10 is: 6,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.88 : 17,188.00 = 4,443.10 : x
  2. Step 2: Convert to fraction form
    11,459.88/17,188.00 = 4,443.10/x
  3. Step 3: Cross multiply
    11,459.88x = 17,188.00 × 4,443.10
  4. Step 4: Simplify right side
    11,459.88x = 76,368,045.40
  5. Step 5: Solve for x
    x = 76,368,045.40/11,459.88
  6. Step 6: Final answer
    x = 6,663.95

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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.