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Finding the Fourth Proportional to 44,383.80, 66,575.70 and 40,009.80

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Solution

The fourth proportional to 44,383.80, 66,575.70 and 40,009.80 is: 60,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,383.80 : 66,575.70 = 40,009.80 : x
  2. Step 2: Convert to fraction form
    44,383.80/66,575.70 = 40,009.80/x
  3. Step 3: Cross multiply
    44,383.80x = 66,575.70 × 40,009.80
  4. Step 4: Simplify right side
    44,383.80x = 2,663,680,441.86
  5. Step 5: Solve for x
    x = 2,663,680,441.86/44,383.80
  6. Step 6: Final answer
    x = 60,014.70

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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.