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Finding the Fourth Proportional to 43,562.46, 65,372.76 and 15,860.46

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Solution

The fourth proportional to 43,562.46, 65,372.76 and 15,860.46 is: 23,801.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,562.46 : 65,372.76 = 15,860.46 : x
  2. Step 2: Convert to fraction form
    43,562.46/65,372.76 = 15,860.46/x
  3. Step 3: Cross multiply
    43,562.46x = 65,372.76 × 15,860.46
  4. Step 4: Simplify right side
    43,562.46x = 1,036,842,045.07
  5. Step 5: Solve for x
    x = 1,036,842,045.07/43,562.46
  6. Step 6: Final answer
    x = 23,801.27

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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.