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Finding the Fourth Proportional to 44,969.92, 67,448.13 and 28,279.06

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Solution

The fourth proportional to 44,969.92, 67,448.13 and 28,279.06 is: 42,414.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,969.92 : 67,448.13 = 28,279.06 : x
  2. Step 2: Convert to fraction form
    44,969.92/67,448.13 = 28,279.06/x
  3. Step 3: Cross multiply
    44,969.92x = 67,448.13 × 28,279.06
  4. Step 4: Simplify right side
    44,969.92x = 1,907,369,440.49
  5. Step 5: Solve for x
    x = 1,907,369,440.49/44,969.92
  6. Step 6: Final answer
    x = 42,414.34

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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.