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Finding the Fourth Proportional to 69,596.51, 96,037.90 and 40,917.35

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Solution

The fourth proportional to 69,596.51, 96,037.90 and 40,917.35 is: 56,462.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,596.51 : 96,037.90 = 40,917.35 : x
  2. Step 2: Convert to fraction form
    69,596.51/96,037.90 = 40,917.35/x
  3. Step 3: Cross multiply
    69,596.51x = 96,037.90 × 40,917.35
  4. Step 4: Simplify right side
    69,596.51x = 3,929,615,785.08
  5. Step 5: Solve for x
    x = 3,929,615,785.08/69,596.51
  6. Step 6: Final answer
    x = 56,462.83

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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.