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Finding the Fourth Proportional to 29,394.64, 40,566.63 and 16,647.67

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Solution

The fourth proportional to 29,394.64, 40,566.63 and 16,647.67 is: 22,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,394.64 : 40,566.63 = 16,647.67 : x
  2. Step 2: Convert to fraction form
    29,394.64/40,566.63 = 16,647.67/x
  3. Step 3: Cross multiply
    29,394.64x = 40,566.63 × 16,647.67
  4. Step 4: Simplify right side
    29,394.64x = 675,339,869.25
  5. Step 5: Solve for x
    x = 675,339,869.25/29,394.64
  6. Step 6: Final answer
    x = 22,974.93

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Why These Related Problems?

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