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Finding the Fourth Proportional to 55,671.69, 76,816.11 and 33,006.48

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Solution

The fourth proportional to 55,671.69, 76,816.11 and 33,006.48 is: 45,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,671.69 : 76,816.11 = 33,006.48 : x
  2. Step 2: Convert to fraction form
    55,671.69/76,816.11 = 33,006.48/x
  3. Step 3: Cross multiply
    55,671.69x = 76,816.11 × 33,006.48
  4. Step 4: Simplify right side
    55,671.69x = 2,535,429,398.39
  5. Step 5: Solve for x
    x = 2,535,429,398.39/55,671.69
  6. Step 6: Final answer
    x = 45,542.53

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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.