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Finding the Fourth Proportional to 40,574.56, 55,995.48 and 22,672

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Solution

The fourth proportional to 40,574.56, 55,995.48 and 22,672 is: 31,288.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,574.56 : 55,995.48 = 22,672 : x
  2. Step 2: Convert to fraction form
    40,574.56/55,995.48 = 22,672/x
  3. Step 3: Cross multiply
    40,574.56x = 55,995.48 × 22,672
  4. Step 4: Simplify right side
    40,574.56x = 1,269,529,522.56
  5. Step 5: Solve for x
    x = 1,269,529,522.56/40,574.56
  6. Step 6: Final answer
    x = 31,288.81

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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.