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Finding the Fourth Proportional to 43,379.70, 65,038.10 and 29,304.53

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Solution

The fourth proportional to 43,379.70, 65,038.10 and 29,304.53 is: 43,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,379.70 : 65,038.10 = 29,304.53 : x
  2. Step 2: Convert to fraction form
    43,379.70/65,038.10 = 29,304.53/x
  3. Step 3: Cross multiply
    43,379.70x = 65,038.10 × 29,304.53
  4. Step 4: Simplify right side
    43,379.70x = 1,905,911,188.45
  5. Step 5: Solve for x
    x = 1,905,911,188.45/43,379.70
  6. Step 6: Final answer
    x = 43,935.55

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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.