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Finding the Fourth Proportional to 44,406.40, 66,415.20 and 33,908.80

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Solution

The fourth proportional to 44,406.40, 66,415.20 and 33,908.80 is: 50,714.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,406.40 : 66,415.20 = 33,908.80 : x
  2. Step 2: Convert to fraction form
    44,406.40/66,415.20 = 33,908.80/x
  3. Step 3: Cross multiply
    44,406.40x = 66,415.20 × 33,908.80
  4. Step 4: Simplify right side
    44,406.40x = 2,252,059,733.76
  5. Step 5: Solve for x
    x = 2,252,059,733.76/44,406.40
  6. Step 6: Final answer
    x = 50,714.76

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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.