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Finding the Fourth Proportional to 60,672.49, 91,008.94 and 18,552.42

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Solution

The fourth proportional to 60,672.49, 91,008.94 and 18,552.42 is: 27,828.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,672.49 : 91,008.94 = 18,552.42 : x
  2. Step 2: Convert to fraction form
    60,672.49/91,008.94 = 18,552.42/x
  3. Step 3: Cross multiply
    60,672.49x = 91,008.94 × 18,552.42
  4. Step 4: Simplify right side
    60,672.49x = 1,688,435,623.59
  5. Step 5: Solve for x
    x = 1,688,435,623.59/60,672.49
  6. Step 6: Final answer
    x = 27,828.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.