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Finding the Fourth Proportional to 44,453.92, 66,680.88 and 13,288.16

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Solution

The fourth proportional to 44,453.92, 66,680.88 and 13,288.16 is: 19,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,453.92 : 66,680.88 = 13,288.16 : x
  2. Step 2: Convert to fraction form
    44,453.92/66,680.88 = 13,288.16/x
  3. Step 3: Cross multiply
    44,453.92x = 66,680.88 × 13,288.16
  4. Step 4: Simplify right side
    44,453.92x = 886,066,202.38
  5. Step 5: Solve for x
    x = 886,066,202.38/44,453.92
  6. Step 6: Final answer
    x = 19,932.24

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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.