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Finding the Fourth Proportional to 44,473.32, 66,742.77 and 35,812.80

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Solution

The fourth proportional to 44,473.32, 66,742.77 and 35,812.80 is: 53,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,473.32 : 66,742.77 = 35,812.80 : x
  2. Step 2: Convert to fraction form
    44,473.32/66,742.77 = 35,812.80/x
  3. Step 3: Cross multiply
    44,473.32x = 66,742.77 × 35,812.80
  4. Step 4: Simplify right side
    44,473.32x = 2,390,245,473.46
  5. Step 5: Solve for x
    x = 2,390,245,473.46/44,473.32
  6. Step 6: Final answer
    x = 53,745.60

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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.