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Finding the Fourth Proportional to 60,672.62, 91,009.13 and 18,552.53

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Solution

The fourth proportional to 60,672.62, 91,009.13 and 18,552.53 is: 27,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,672.62 : 91,009.13 = 18,552.53 : x
  2. Step 2: Convert to fraction form
    60,672.62/91,009.13 = 18,552.53/x
  3. Step 3: Cross multiply
    60,672.62x = 91,009.13 × 18,552.53
  4. Step 4: Simplify right side
    60,672.62x = 1,688,449,066.79
  5. Step 5: Solve for x
    x = 1,688,449,066.79/60,672.62
  6. Step 6: Final answer
    x = 27,828.85

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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.