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Finding the Fourth Proportional to 44,071.50, 66,107.25 and 11,239.50

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Solution

The fourth proportional to 44,071.50, 66,107.25 and 11,239.50 is: 16,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,071.50 : 66,107.25 = 11,239.50 : x
  2. Step 2: Convert to fraction form
    44,071.50/66,107.25 = 11,239.50/x
  3. Step 3: Cross multiply
    44,071.50x = 66,107.25 × 11,239.50
  4. Step 4: Simplify right side
    44,071.50x = 743,012,436.38
  5. Step 5: Solve for x
    x = 743,012,436.38/44,071.50
  6. Step 6: Final answer
    x = 16,859.25

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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.