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Finding the Fourth Proportional to 64,779.75, 97,169.63 and 18,033.84

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Solution

The fourth proportional to 64,779.75, 97,169.63 and 18,033.84 is: 27,050.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,779.75 : 97,169.63 = 18,033.84 : x
  2. Step 2: Convert to fraction form
    64,779.75/97,169.63 = 18,033.84/x
  3. Step 3: Cross multiply
    64,779.75x = 97,169.63 × 18,033.84
  4. Step 4: Simplify right side
    64,779.75x = 1,752,341,470.11
  5. Step 5: Solve for x
    x = 1,752,341,470.11/64,779.75
  6. Step 6: Final answer
    x = 27,050.76

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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.