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Finding the Fourth Proportional to 43,615.98, 65,443.41 and 15,907.50

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Solution

The fourth proportional to 43,615.98, 65,443.41 and 15,907.50 is: 23,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,615.98 : 65,443.41 = 15,907.50 : x
  2. Step 2: Convert to fraction form
    43,615.98/65,443.41 = 15,907.50/x
  3. Step 3: Cross multiply
    43,615.98x = 65,443.41 × 15,907.50
  4. Step 4: Simplify right side
    43,615.98x = 1,041,041,044.58
  5. Step 5: Solve for x
    x = 1,041,041,044.58/43,615.98
  6. Step 6: Final answer
    x = 23,868.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.