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Finding the Fourth Proportional to 59,632.70, 82,243.82 and 40,480.98

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Solution

The fourth proportional to 59,632.70, 82,243.82 and 40,480.98 is: 55,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,632.70 : 82,243.82 = 40,480.98 : x
  2. Step 2: Convert to fraction form
    59,632.70/82,243.82 = 40,480.98/x
  3. Step 3: Cross multiply
    59,632.70x = 82,243.82 × 40,480.98
  4. Step 4: Simplify right side
    59,632.70x = 3,329,310,230.14
  5. Step 5: Solve for x
    x = 3,329,310,230.14/59,632.70
  6. Step 6: Final answer
    x = 55,830.28

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1.5x scale

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.