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Finding the Fourth Proportional to 37,472.67, 51,712.25 and 20,705.67

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Solution

The fourth proportional to 37,472.67, 51,712.25 and 20,705.67 is: 28,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,472.67 : 51,712.25 = 20,705.67 : x
  2. Step 2: Convert to fraction form
    37,472.67/51,712.25 = 20,705.67/x
  3. Step 3: Cross multiply
    37,472.67x = 51,712.25 × 20,705.67
  4. Step 4: Simplify right side
    37,472.67x = 1,070,736,679.93
  5. Step 5: Solve for x
    x = 1,070,736,679.93/37,472.67
  6. Step 6: Final answer
    x = 28,573.80

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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.