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Finding the Fourth Proportional to 54,275.57, 74,936.83 and 33,888.67

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Solution

The fourth proportional to 54,275.57, 74,936.83 and 33,888.67 is: 46,789.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,275.57 : 74,936.83 = 33,888.67 : x
  2. Step 2: Convert to fraction form
    54,275.57/74,936.83 = 33,888.67/x
  3. Step 3: Cross multiply
    54,275.57x = 74,936.83 × 33,888.67
  4. Step 4: Simplify right side
    54,275.57x = 2,539,509,502.72
  5. Step 5: Solve for x
    x = 2,539,509,502.72/54,275.57
  6. Step 6: Final answer
    x = 46,789.18

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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.