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Finding the Fourth Proportional to 29,356.16, 44,041.44 and 13,755.60

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Solution

The fourth proportional to 29,356.16, 44,041.44 and 13,755.60 is: 20,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,356.16 : 44,041.44 = 13,755.60 : x
  2. Step 2: Convert to fraction form
    29,356.16/44,041.44 = 13,755.60/x
  3. Step 3: Cross multiply
    29,356.16x = 44,041.44 × 13,755.60
  4. Step 4: Simplify right side
    29,356.16x = 605,816,432.06
  5. Step 5: Solve for x
    x = 605,816,432.06/29,356.16
  6. Step 6: Final answer
    x = 20,636.77

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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.