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Finding the Fourth Proportional to 73,006.70, 100,741.73 and 53,896.64

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Solution

The fourth proportional to 73,006.70, 100,741.73 and 53,896.64 is: 74,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,006.70 : 100,741.73 = 53,896.64 : x
  2. Step 2: Convert to fraction form
    73,006.70/100,741.73 = 53,896.64/x
  3. Step 3: Cross multiply
    73,006.70x = 100,741.73 × 53,896.64
  4. Step 4: Simplify right side
    73,006.70x = 5,429,639,981.60
  5. Step 5: Solve for x
    x = 5,429,639,981.60/73,006.70
  6. Step 6: Final answer
    x = 74,371.81

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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.