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Finding the Fourth Proportional to 29,810.40, 44,716.97 and 21,084.27

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Solution

The fourth proportional to 29,810.40, 44,716.97 and 21,084.27 is: 31,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,810.40 : 44,716.97 = 21,084.27 : x
  2. Step 2: Convert to fraction form
    29,810.40/44,716.97 = 21,084.27/x
  3. Step 3: Cross multiply
    29,810.40x = 44,716.97 × 21,084.27
  4. Step 4: Simplify right side
    29,810.40x = 942,824,669.06
  5. Step 5: Solve for x
    x = 942,824,669.06/29,810.40
  6. Step 6: Final answer
    x = 31,627.37

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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.