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Finding the Fourth Proportional to 41,779.64, 62,674.32 and 16,828.40

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Solution

The fourth proportional to 41,779.64, 62,674.32 and 16,828.40 is: 25,244.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,779.64 : 62,674.32 = 16,828.40 : x
  2. Step 2: Convert to fraction form
    41,779.64/62,674.32 = 16,828.40/x
  3. Step 3: Cross multiply
    41,779.64x = 62,674.32 × 16,828.40
  4. Step 4: Simplify right side
    41,779.64x = 1,054,708,526.69
  5. Step 5: Solve for x
    x = 1,054,708,526.69/41,779.64
  6. Step 6: Final answer
    x = 25,244.56

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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.