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Finding the Fourth Proportional to 40,513.50, 55,908.50 and 22,607.51

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Solution

The fourth proportional to 40,513.50, 55,908.50 and 22,607.51 is: 31,198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,513.50 : 55,908.50 = 22,607.51 : x
  2. Step 2: Convert to fraction form
    40,513.50/55,908.50 = 22,607.51/x
  3. Step 3: Cross multiply
    40,513.50x = 55,908.50 × 22,607.51
  4. Step 4: Simplify right side
    40,513.50x = 1,263,951,580.25
  5. Step 5: Solve for x
    x = 1,263,951,580.25/40,513.50
  6. Step 6: Final answer
    x = 31,198.28

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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.