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Finding the Fourth Proportional to 84,453.80, 126,673.41 and 25,302.74

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Solution

The fourth proportional to 84,453.80, 126,673.41 and 25,302.74 is: 37,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,453.80 : 126,673.41 = 25,302.74 : x
  2. Step 2: Convert to fraction form
    84,453.80/126,673.41 = 25,302.74/x
  3. Step 3: Cross multiply
    84,453.80x = 126,673.41 × 25,302.74
  4. Step 4: Simplify right side
    84,453.80x = 3,205,184,358.14
  5. Step 5: Solve for x
    x = 3,205,184,358.14/84,453.80
  6. Step 6: Final answer
    x = 37,951.93

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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.