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Finding the Fourth Proportional to 71,738.76, 107,514.44 and 29,570.67

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Solution

The fourth proportional to 71,738.76, 107,514.44 and 29,570.67 is: 44,317.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,738.76 : 107,514.44 = 29,570.67 : x
  2. Step 2: Convert to fraction form
    71,738.76/107,514.44 = 29,570.67/x
  3. Step 3: Cross multiply
    71,738.76x = 107,514.44 × 29,570.67
  4. Step 4: Simplify right side
    71,738.76x = 3,179,273,988.51
  5. Step 5: Solve for x
    x = 3,179,273,988.51/71,738.76
  6. Step 6: Final answer
    x = 44,317.38

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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.