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Finding the Fourth Proportional to 54,164.46, 74,749.86 and 30,289.71

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Solution

The fourth proportional to 54,164.46, 74,749.86 and 30,289.71 is: 41,801.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,164.46 : 74,749.86 = 30,289.71 : x
  2. Step 2: Convert to fraction form
    54,164.46/74,749.86 = 30,289.71/x
  3. Step 3: Cross multiply
    54,164.46x = 74,749.86 × 30,289.71
  4. Step 4: Simplify right side
    54,164.46x = 2,264,151,581.94
  5. Step 5: Solve for x
    x = 2,264,151,581.94/54,164.46
  6. Step 6: Final answer
    x = 41,801.42

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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.