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Finding the Fourth Proportional to 40,502.60, 55,896.40 and 22,601.10

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Solution

The fourth proportional to 40,502.60, 55,896.40 and 22,601.10 is: 31,191.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,502.60 : 55,896.40 = 22,601.10 : x
  2. Step 2: Convert to fraction form
    40,502.60/55,896.40 = 22,601.10/x
  3. Step 3: Cross multiply
    40,502.60x = 55,896.40 × 22,601.10
  4. Step 4: Simplify right side
    40,502.60x = 1,263,320,126.04
  5. Step 5: Solve for x
    x = 1,263,320,126.04/40,502.60
  6. Step 6: Final answer
    x = 31,191.09

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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.