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Finding the Fourth Proportional to 55,012.18, 75,918.02 and 33,502.94

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Solution

The fourth proportional to 55,012.18, 75,918.02 and 33,502.94 is: 46,234.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,012.18 : 75,918.02 = 33,502.94 : x
  2. Step 2: Convert to fraction form
    55,012.18/75,918.02 = 33,502.94/x
  3. Step 3: Cross multiply
    55,012.18x = 75,918.02 × 33,502.94
  4. Step 4: Simplify right side
    55,012.18x = 2,543,476,542.41
  5. Step 5: Solve for x
    x = 2,543,476,542.41/55,012.18
  6. Step 6: Final answer
    x = 46,234.79

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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.