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Finding the Fourth Proportional to 40,330.56, 55,653 and 22,424.48

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Solution

The fourth proportional to 40,330.56, 55,653 and 22,424.48 is: 30,944.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,330.56 : 55,653 = 22,424.48 : x
  2. Step 2: Convert to fraction form
    40,330.56/55,653 = 22,424.48/x
  3. Step 3: Cross multiply
    40,330.56x = 55,653 × 22,424.48
  4. Step 4: Simplify right side
    40,330.56x = 1,247,989,585.44
  5. Step 5: Solve for x
    x = 1,247,989,585.44/40,330.56
  6. Step 6: Final answer
    x = 30,944.02

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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.