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Finding the Fourth Proportional to 44,568, 66,852 and 13,403.28

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Solution

The fourth proportional to 44,568, 66,852 and 13,403.28 is: 20,104.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,568 : 66,852 = 13,403.28 : x
  2. Step 2: Convert to fraction form
    44,568/66,852 = 13,403.28/x
  3. Step 3: Cross multiply
    44,568x = 66,852 × 13,403.28
  4. Step 4: Simplify right side
    44,568x = 896,036,074.56
  5. Step 5: Solve for x
    x = 896,036,074.56/44,568
  6. Step 6: Final answer
    x = 20,104.92

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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.