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Finding the Fourth Proportional to 54,155.76, 74,753.76 and 37,216.09

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Solution

The fourth proportional to 54,155.76, 74,753.76 and 37,216.09 is: 51,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,155.76 : 74,753.76 = 37,216.09 : x
  2. Step 2: Convert to fraction form
    54,155.76/74,753.76 = 37,216.09/x
  3. Step 3: Cross multiply
    54,155.76x = 74,753.76 × 37,216.09
  4. Step 4: Simplify right side
    54,155.76x = 2,782,042,660.00
  5. Step 5: Solve for x
    x = 2,782,042,660.00/54,155.76
  6. Step 6: Final answer
    x = 51,371.13

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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.