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Finding the Fourth Proportional to 66,627.42, 99,941.04 and 17,379.42

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Solution

The fourth proportional to 66,627.42, 99,941.04 and 17,379.42 is: 26,069.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,627.42 : 99,941.04 = 17,379.42 : x
  2. Step 2: Convert to fraction form
    66,627.42/99,941.04 = 17,379.42/x
  3. Step 3: Cross multiply
    66,627.42x = 99,941.04 × 17,379.42
  4. Step 4: Simplify right side
    66,627.42x = 1,736,917,309.40
  5. Step 5: Solve for x
    x = 1,736,917,309.40/66,627.42
  6. Step 6: Final answer
    x = 26,069.11

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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.