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Finding the Fourth Proportional to 66,007.17, 99,032.76 and 43,907.67

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Solution

The fourth proportional to 66,007.17, 99,032.76 and 43,907.67 is: 65,876.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,007.17 : 99,032.76 = 43,907.67 : x
  2. Step 2: Convert to fraction form
    66,007.17/99,032.76 = 43,907.67/x
  3. Step 3: Cross multiply
    66,007.17x = 99,032.76 × 43,907.67
  4. Step 4: Simplify right side
    66,007.17x = 4,348,297,745.27
  5. Step 5: Solve for x
    x = 4,348,297,745.27/66,007.17
  6. Step 6: Final answer
    x = 65,876.14

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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.