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Finding the Fourth Proportional to 43,710.34, 65,599.78 and 30,476.56

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Solution

The fourth proportional to 43,710.34, 65,599.78 and 30,476.56 is: 45,738.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,710.34 : 65,599.78 = 30,476.56 : x
  2. Step 2: Convert to fraction form
    43,710.34/65,599.78 = 30,476.56/x
  3. Step 3: Cross multiply
    43,710.34x = 65,599.78 × 30,476.56
  4. Step 4: Simplify right side
    43,710.34x = 1,999,255,631.16
  5. Step 5: Solve for x
    x = 1,999,255,631.16/43,710.34
  6. Step 6: Final answer
    x = 45,738.73

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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.