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Finding the Fourth Proportional to 84,661.44, 126,933.12 and 37,253.76

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Solution

The fourth proportional to 84,661.44, 126,933.12 and 37,253.76 is: 55,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,661.44 : 126,933.12 = 37,253.76 : x
  2. Step 2: Convert to fraction form
    84,661.44/126,933.12 = 37,253.76/x
  3. Step 3: Cross multiply
    84,661.44x = 126,933.12 × 37,253.76
  4. Step 4: Simplify right side
    84,661.44x = 4,728,735,988.53
  5. Step 5: Solve for x
    x = 4,728,735,988.53/84,661.44
  6. Step 6: Final answer
    x = 55,854.66

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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.