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Finding the Fourth Proportional to 72,995.70, 100,733.91 and 41,164.38

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Solution

The fourth proportional to 72,995.70, 100,733.91 and 41,164.38 is: 56,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,995.70 : 100,733.91 = 41,164.38 : x
  2. Step 2: Convert to fraction form
    72,995.70/100,733.91 = 41,164.38/x
  3. Step 3: Cross multiply
    72,995.70x = 100,733.91 × 41,164.38
  4. Step 4: Simplify right side
    72,995.70x = 4,146,648,950.13
  5. Step 5: Solve for x
    x = 4,146,648,950.13/72,995.70
  6. Step 6: Final answer
    x = 56,806.76

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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.