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Finding the Fourth Proportional to 61,039.31, 91,552.01 and 16,669.67

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Solution

The fourth proportional to 61,039.31, 91,552.01 and 16,669.67 is: 25,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,039.31 : 91,552.01 = 16,669.67 : x
  2. Step 2: Convert to fraction form
    61,039.31/91,552.01 = 16,669.67/x
  3. Step 3: Cross multiply
    61,039.31x = 91,552.01 × 16,669.67
  4. Step 4: Simplify right side
    61,039.31x = 1,526,141,253.43
  5. Step 5: Solve for x
    x = 1,526,141,253.43/61,039.31
  6. Step 6: Final answer
    x = 25,002.60

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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.