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Finding the Fourth Proportional to 40,010.82, 55,222.82 and 23,870.06

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Solution

The fourth proportional to 40,010.82, 55,222.82 and 23,870.06 is: 32,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,010.82 : 55,222.82 = 23,870.06 : x
  2. Step 2: Convert to fraction form
    40,010.82/55,222.82 = 23,870.06/x
  3. Step 3: Cross multiply
    40,010.82x = 55,222.82 × 23,870.06
  4. Step 4: Simplify right side
    40,010.82x = 1,318,171,631.30
  5. Step 5: Solve for x
    x = 1,318,171,631.30/40,010.82
  6. Step 6: Final answer
    x = 32,945.38

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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.