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Finding the Fourth Proportional to 54,804.70, 82,207.05 and 45,947.35

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Solution

The fourth proportional to 54,804.70, 82,207.05 and 45,947.35 is: 68,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,804.70 : 82,207.05 = 45,947.35 : x
  2. Step 2: Convert to fraction form
    54,804.70/82,207.05 = 45,947.35/x
  3. Step 3: Cross multiply
    54,804.70x = 82,207.05 × 45,947.35
  4. Step 4: Simplify right side
    54,804.70x = 3,777,196,098.82
  5. Step 5: Solve for x
    x = 3,777,196,098.82/54,804.70
  6. Step 6: Final answer
    x = 68,921.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.