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Finding the Fourth Proportional to 27,912.30, 41,868.45 and 9,444.30

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Solution

The fourth proportional to 27,912.30, 41,868.45 and 9,444.30 is: 14,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.30 : 41,868.45 = 9,444.30 : x
  2. Step 2: Convert to fraction form
    27,912.30/41,868.45 = 9,444.30/x
  3. Step 3: Cross multiply
    27,912.30x = 41,868.45 × 9,444.30
  4. Step 4: Simplify right side
    27,912.30x = 395,418,202.34
  5. Step 5: Solve for x
    x = 395,418,202.34/27,912.30
  6. Step 6: Final answer
    x = 14,166.45

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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.