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Finding the Fourth Proportional to 15,907.89, 21,950.96 and 9,446.52

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Solution

The fourth proportional to 15,907.89, 21,950.96 and 9,446.52 is: 13,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907.89 : 21,950.96 = 9,446.52 : x
  2. Step 2: Convert to fraction form
    15,907.89/21,950.96 = 9,446.52/x
  3. Step 3: Cross multiply
    15,907.89x = 21,950.96 × 9,446.52
  4. Step 4: Simplify right side
    15,907.89x = 207,360,182.66
  5. Step 5: Solve for x
    x = 207,360,182.66/15,907.89
  6. Step 6: Final answer
    x = 13,035.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.