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Finding the Fourth Proportional to 43,765.41, 65,605.62 and 34,859.01

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Solution

The fourth proportional to 43,765.41, 65,605.62 and 34,859.01 is: 52,254.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,765.41 : 65,605.62 = 34,859.01 : x
  2. Step 2: Convert to fraction form
    43,765.41/65,605.62 = 34,859.01/x
  3. Step 3: Cross multiply
    43,765.41x = 65,605.62 × 34,859.01
  4. Step 4: Simplify right side
    43,765.41x = 2,286,946,963.64
  5. Step 5: Solve for x
    x = 2,286,946,963.64/43,765.41
  6. Step 6: Final answer
    x = 52,254.67

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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.