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Finding the Fourth Proportional to 73,648.85, 101,636.07 and 41,818.41

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Solution

The fourth proportional to 73,648.85, 101,636.07 and 41,818.41 is: 57,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,648.85 : 101,636.07 = 41,818.41 : x
  2. Step 2: Convert to fraction form
    73,648.85/101,636.07 = 41,818.41/x
  3. Step 3: Cross multiply
    73,648.85x = 101,636.07 × 41,818.41
  4. Step 4: Simplify right side
    73,648.85x = 4,250,258,689.23
  5. Step 5: Solve for x
    x = 4,250,258,689.23/73,648.85
  6. Step 6: Final answer
    x = 57,709.78

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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.