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Finding the Fourth Proportional to 61,917.30, 85,441.14 and 36,424.68

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Solution

The fourth proportional to 61,917.30, 85,441.14 and 36,424.68 is: 50,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,917.30 : 85,441.14 = 36,424.68 : x
  2. Step 2: Convert to fraction form
    61,917.30/85,441.14 = 36,424.68/x
  3. Step 3: Cross multiply
    61,917.30x = 85,441.14 × 36,424.68
  4. Step 4: Simplify right side
    61,917.30x = 3,112,166,183.34
  5. Step 5: Solve for x
    x = 3,112,166,183.34/61,917.30
  6. Step 6: Final answer
    x = 50,263.27

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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.