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Finding the Fourth Proportional to 59,830.80, 89,745.79 and 18,277.80

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Solution

The fourth proportional to 59,830.80, 89,745.79 and 18,277.80 is: 27,416.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,830.80 : 89,745.79 = 18,277.80 : x
  2. Step 2: Convert to fraction form
    59,830.80/89,745.79 = 18,277.80/x
  3. Step 3: Cross multiply
    59,830.80x = 89,745.79 × 18,277.80
  4. Step 4: Simplify right side
    59,830.80x = 1,640,355,151.73
  5. Step 5: Solve for x
    x = 1,640,355,151.73/59,830.80
  6. Step 6: Final answer
    x = 27,416.57

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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.