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Finding the Fourth Proportional to 74,604.56, 111,895.79 and 27,208.53

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Solution

The fourth proportional to 74,604.56, 111,895.79 and 27,208.53 is: 40,808.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,604.56 : 111,895.79 = 27,208.53 : x
  2. Step 2: Convert to fraction form
    74,604.56/111,895.79 = 27,208.53/x
  3. Step 3: Cross multiply
    74,604.56x = 111,895.79 × 27,208.53
  4. Step 4: Simplify right side
    74,604.56x = 3,044,519,823.05
  5. Step 5: Solve for x
    x = 3,044,519,823.05/74,604.56
  6. Step 6: Final answer
    x = 40,808.77

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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.