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Finding the Fourth Proportional to 58,860.81, 81,227.57 and 33,372

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Solution

The fourth proportional to 58,860.81, 81,227.57 and 33,372 is: 46,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,860.81 : 81,227.57 = 33,372 : x
  2. Step 2: Convert to fraction form
    58,860.81/81,227.57 = 33,372/x
  3. Step 3: Cross multiply
    58,860.81x = 81,227.57 × 33,372
  4. Step 4: Simplify right side
    58,860.81x = 2,710,726,299.18
  5. Step 5: Solve for x
    x = 2,710,726,299.18/58,860.81
  6. Step 6: Final answer
    x = 46,053.16

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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.