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Finding the Fourth Proportional to 62,642.66, 93,954.86 and 18,257.49

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Solution

The fourth proportional to 62,642.66, 93,954.86 and 18,257.49 is: 27,383.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,642.66 : 93,954.86 = 18,257.49 : x
  2. Step 2: Convert to fraction form
    62,642.66/93,954.86 = 18,257.49/x
  3. Step 3: Cross multiply
    62,642.66x = 93,954.86 × 18,257.49
  4. Step 4: Simplify right side
    62,642.66x = 1,715,379,825.61
  5. Step 5: Solve for x
    x = 1,715,379,825.61/62,642.66
  6. Step 6: Final answer
    x = 27,383.57

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1.5x scale

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.