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Finding the Fourth Proportional to 58,969.40, 81,375.84 and 32,111.70

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Solution

The fourth proportional to 58,969.40, 81,375.84 and 32,111.70 is: 44,313.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,969.40 : 81,375.84 = 32,111.70 : x
  2. Step 2: Convert to fraction form
    58,969.40/81,375.84 = 32,111.70/x
  3. Step 3: Cross multiply
    58,969.40x = 81,375.84 × 32,111.70
  4. Step 4: Simplify right side
    58,969.40x = 2,613,116,561.33
  5. Step 5: Solve for x
    x = 2,613,116,561.33/58,969.40
  6. Step 6: Final answer
    x = 44,313.09

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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.