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Finding the Fourth Proportional to 66,516.96, 99,791.52 and 24,400.32

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Solution

The fourth proportional to 66,516.96, 99,791.52 and 24,400.32 is: 36,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,516.96 : 99,791.52 = 24,400.32 : x
  2. Step 2: Convert to fraction form
    66,516.96/99,791.52 = 24,400.32/x
  3. Step 3: Cross multiply
    66,516.96x = 99,791.52 × 24,400.32
  4. Step 4: Simplify right side
    66,516.96x = 2,434,945,021.29
  5. Step 5: Solve for x
    x = 2,434,945,021.29/66,516.96
  6. Step 6: Final answer
    x = 36,606.38

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1.5x scale

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.