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Finding the Fourth Proportional to 69,443.11, 95,837.39 and 39,233.98

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Solution

The fourth proportional to 69,443.11, 95,837.39 and 39,233.98 is: 54,146.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,443.11 : 95,837.39 = 39,233.98 : x
  2. Step 2: Convert to fraction form
    69,443.11/95,837.39 = 39,233.98/x
  3. Step 3: Cross multiply
    69,443.11x = 95,837.39 × 39,233.98
  4. Step 4: Simplify right side
    69,443.11x = 3,760,082,242.51
  5. Step 5: Solve for x
    x = 3,760,082,242.51/69,443.11
  6. Step 6: Final answer
    x = 54,146.22

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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.