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Finding the Fourth Proportional to 71,516.96, 98,698.04 and 41,311.45

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Solution

The fourth proportional to 71,516.96, 98,698.04 and 41,311.45 is: 57,012.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,516.96 : 98,698.04 = 41,311.45 : x
  2. Step 2: Convert to fraction form
    71,516.96/98,698.04 = 41,311.45/x
  3. Step 3: Cross multiply
    71,516.96x = 98,698.04 × 41,311.45
  4. Step 4: Simplify right side
    71,516.96x = 4,077,359,448.67
  5. Step 5: Solve for x
    x = 4,077,359,448.67/71,516.96
  6. Step 6: Final answer
    x = 57,012.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.