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Finding the Fourth Proportional to 66,883.92, 100,326.06 and 16,964.06

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Solution

The fourth proportional to 66,883.92, 100,326.06 and 16,964.06 is: 25,446.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,883.92 : 100,326.06 = 16,964.06 : x
  2. Step 2: Convert to fraction form
    66,883.92/100,326.06 = 16,964.06/x
  3. Step 3: Cross multiply
    66,883.92x = 100,326.06 × 16,964.06
  4. Step 4: Simplify right side
    66,883.92x = 1,701,937,301.40
  5. Step 5: Solve for x
    x = 1,701,937,301.40/66,883.92
  6. Step 6: Final answer
    x = 25,446.14

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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.