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Finding the Fourth Proportional to 67,605.36, 93,297.36 and 36,980.28

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Solution

The fourth proportional to 67,605.36, 93,297.36 and 36,980.28 is: 51,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,605.36 : 93,297.36 = 36,980.28 : x
  2. Step 2: Convert to fraction form
    67,605.36/93,297.36 = 36,980.28/x
  3. Step 3: Cross multiply
    67,605.36x = 93,297.36 × 36,980.28
  4. Step 4: Simplify right side
    67,605.36x = 3,450,162,496.06
  5. Step 5: Solve for x
    x = 3,450,162,496.06/67,605.36
  6. Step 6: Final answer
    x = 51,033.86

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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.