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Finding the Fourth Proportional to 66,695.16, 100,035.36 and 16,775.27

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Solution

The fourth proportional to 66,695.16, 100,035.36 and 16,775.27 is: 25,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,695.16 : 100,035.36 = 16,775.27 : x
  2. Step 2: Convert to fraction form
    66,695.16/100,035.36 = 16,775.27/x
  3. Step 3: Cross multiply
    66,695.16x = 100,035.36 × 16,775.27
  4. Step 4: Simplify right side
    66,695.16x = 1,678,120,306.70
  5. Step 5: Solve for x
    x = 1,678,120,306.70/66,695.16
  6. Step 6: Final answer
    x = 25,161.05

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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.